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A 84.9-kg horizontal circular platform rotates freely with no friction about its

A 84.9-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.81 rad/s. A monkey drops a 9.57-kg bunch of bananas ver…

A 840 g quantity of ethanol, in the liquid state at its melting point of -114.4C

A 840 g quantity of ethanol, in the liquid state at its melting point of -114.4C, is frozen at atmospheric pressure. The heat of fusion of ethanol is 1.04x10^5J/kg and the molecul…

A 840 gallon pool stores water for irrigation. The water is contaminated by a to

A 840 gallon pool stores water for irrigation. The water is contaminated by a toxic substance at a concentration of 80 ppm (parts per million). A filter is installed that can remo…

A 840N athlete standing on one foot on a very smooth gym floor lifts his body by

A 840N athlete standing on one foot on a very smooth gym floor lifts his body by pivoting his foot upward through a 30.0degrees angle, balancing all of his weight on the ball of t…

A 8430-kg car is travelling at 29.7 m/s when the driver decides to exit the free

A 8430-kg car is travelling at 29.7 m/s when the driver decides to exit the freeway by going up a ramp. After coasting 383 m along the exit ramp the car's speed is 12.7 m/s, and i…

A 85 kg mass is tied to a massless rope wrapped around a solid cylindrical drum,

A 85 kg mass is tied to a massless rope wrapped around a solid cylindrical drum, mounted on a frictionless horizontal axle. When the mass is released, it falls with acceleration 2…

A 85 kg window cleaner uses a 14 kg ladder that is 5.9 m long. He places one end

A 85 kg window cleaner uses a 14 kg ladder that is 5.9 m long. He places one end on the ground 3.4 m from a wall, rests the upper end against a cracked window, and climbs the ladd…

A 85-g bullet is fired from a rifle having a barrel 0. 612 m long. Choose the or

A 85-g bullet is fired from a rifle having a barrel 0. 612 m long. Choose the origin to be at the location where the bullet begins to move. Then the force (in newtons) exerted by …

A 85-g bullet is fired from a rifle having a barrel 0.552 m long. Choose the ori

A 85-g bullet is fired from a rifle having a barrel 0.552 m long. Choose the origin to be at the location where the bullet begins to move. Then the force (in newtons) exerted by t…

A 85-kg halfback on a footbal team runs head-on into a 120-kg opponent at an ins

A 85-kg halfback on a footbal team runs head-on into a 120-kg opponent at an instant when neither has his feet on the ground. The halfback is initially going west at 10 m/s , and …

A 85.0 kg diver falls from rest into a swimming pool from a height of 3.10 m. It

A 85.0 kg diver falls from rest into a swimming pool from a height of 3.10 m. It takes 1.56 s for the diver to stop after entering the water. Find the magnitude of the average for…

A 85.0 kg person holds out his arms so that his hands are 1.80m apart. Typically

A 85.0 kg person holds out his arms so that his hands are 1.80m apart. Typically, a person's hand makes up about 1.00 % of his or her body weight. For round numbers, we shall assu…

A 85.0-kg speed skier has finished a long down hill race and reaches a final slo

A 85.0-kg speed skier has finished a long down hill race and reaches a final slope (fig. 1 below) designed to slow her down. At the bottom of this slope her speed is 29.0 m/s. She…

A 85.0-kg speed skier has finished a long down hill race and reaches a final slo

A 85.0-kg speed skier has finished a long down hill race and reaches a final slope (fig. 1 below) designed to slow her down. At the bottom of this slope her speed is 29.0 m/s. She…

A 85.1 kg astronaut is working on the en- gines of a spaceship that is drifting

A 85.1 kg astronaut is working on the en- gines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several sec- …

A 85.1-kg horizontal circular platform rotates freely with no friction about its

A 85.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.69 rad/s. A monkey drops a 9.97-kg bunch of bananas ver…

A 85.5-kg horizontal circular platform rotates freely with no friction about its

A 85.5-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.81 rad/s. A monkey drops a 8.15-kg bunch of bananas ver…

A 85.9-kg horizontal circular platform rotates freely with no friction about its

A 85.9-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.73 rad/s. A monkey drops a 8.35-kg bunch of bananas ver…

A 850 -kg meteoroid happens to be composed of aluminum. When it is far from the

A 850-kg meteoroid happens to be composed of aluminum. When it is far from the Earth, its temperature is -18.5 A 850-kg meteoroid happens to be composed of aluminum. When it is fa…

A 850 kg car pushes a 2400 kg truck that has a dead battery. When the driverstep

A 850 kg car pushes a 2400 kg truck that has a dead battery. When the driversteps on the accelerator, the drive wheels of the car push againstthe ground with a force of 4100 N. (a…

A 850-kg car comes to rest from a speed of 92.3 km/h in a distance of 150 m Assu

A 850-kg car comes to rest from a speed of 92.3 km/h in a distance of 150 m Assume the car is initially moving in the positive direction. If the brakes are the only thing making t…

A 854.3 ng sample of an unknown radioactive substance was placed in storage and

A 854.3 ng sample of an unknown radioactive substance was placed in storage and its mass measured periodically. After 47 days the amount of radioactive substance had decreased to …

A 8570-kg satellite has an elliptical orbit, as in Figure 6.9b. The point on the

A 8570-kg satellite has an elliptical orbit, as in Figure 6.9b. The point on the orbit that is farthest from the earth is called the apogee and is at the far right of the drawing.…

A 85kg person is riding in a car moving at 21m/s (assume this is the positive di

A 85kg person is riding in a car moving at 21m/s (assume this is the positive direction) when the car runs into a bridge abutment. This problem will illustrate why the invention o…

A 86.0-F capacitor is connected to a generator operatingat a low frequency. The

A 86.0-F capacitor is connected to a generator operatingat a low frequency. The rms voltage of the generator is 4.60 V andis constant. A fuse in series with the capacitor has negl…

A 86.1-kg horizontal circular platform rotates freely with no friction about its

A 86.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.55 rad/s. A monkey drops a 8.79-kg bunch of bananas ver…

A 86.1-kg horizontal circular platform rotates freely with no friction about its

A 86.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.55 rad/s. A monkey drops a 8.79-kg bunch of bananas ver…

A 86.1-kg horizontal circular platform rotates freely with no friction about its

A 86.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.55 rad/s. A monkey drops a 8.79-kg bunch of bananas ver…

A 860 kg sports car collides into the rearend of a 2500 kg SUV stopped at a red

A 860 kg sports car collides into the rearend of a 2500 kg SUV stopped at a red light. The bumperslock, the brakes are locked, and the two cars skid forward 2.8mbefore stopping…

A 86871 lb force is applied to a surface that measures 94 in long and 58 in wide

A 86871 lb force is applied to a surface that measures 94 in long and 58 in wide. Determine the pressure exerted on the surface by the force in both psi and Pa. 1 Pa = 1.45×10-4 p…

A 87 kg fullback moving east with a speed of 5.0 m/s is tackled by a 97 kg oppon

A 87 kg fullback moving east with a speed of 5.0 m/s is tackled by a 97 kg opponent running north at 2.0 m/s. If the collision is perfectly inelastic, calculate each of the follow…

A 87 kg fullback moving east with a speed of 5.0 m/s is tackled by a 97 kg oppon

A 87 kg fullback moving east with a speed of 5.0 m/s is tackled by a 97 kg opponent running north at 2.0 m/s. If the collision is perfectly inelastic, calculate each of the follow…

A 87 kilogram block is pushed along a rough horizontal surface by a constant hor

A 87 kilogram block is pushed along a rough horizontal surface by a constant horizontal force F as shown above. At time t = 0, the velocity v of the block is 7.1 meters per second…

A 87.5-kg horizontal circular platform rotates freely with no friction about its

A 87.5-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.53 rad/s. A monkey drops a 8.75-kg bunch of bananas ver…

A 87.7-kg horizontal circular platform rotates freely with no friction about its

A 87.7-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.51 rad/s. A monkey drops a 8.25-kg bunch of bananas ver…

A 87.9-kg horizontal circular platform rotates freely with no friction about its

A 87.9-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.79 rad/s. A monkey drops a 8.55-kg bunch of bananas ver…

A 871-kg satellite is in circular orbit around the Earth and moving at a speed o

A 871-kg satellite is in circular orbit around the Earth and moving at a speed of 2.97 km/s. How much work must be done to move the satellite into another circular orbit that is t…

A 873 kg dragster, starting from rest, attains a speedof 26.3 m/s in 0.59 s. A)

A 873 kg dragster, starting from rest, attains a speedof 26.3 m/s in 0.59 s. A) find the average accerleration of the dragster during thistime interval? B)What is the size of the …

A 876 kg sports car collides into the rear end of a 2169 kg SUV stopped at a red

A 876 kg sports car collides into the rear end of a 2169 kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.8 m before stoppin…

A 87g steel ball is released from rest and falls vertically onto a steel plate.

A 87g steel ball is released from rest and falls vertically onto a steel plate. teh abll strikes teh plate and is in contact with it for 0.5 ms. the ball rebounds elastically, and…

A 88 kg fullback moving east with a speed of 8.0 m/s is tackled by a 98 kg oppon

A 88 kg fullback moving east with a speed of 8.0 m/s is tackled by a 98 kg opponent running north at 2.0 m/s. If the collision is perfectly inelastic, calculate each of the follow…

A 88.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as i

A 88.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 23.0 m/s. If the player was moving upward with a speed o…

A 88.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as i

A 88.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 23.0 m/s. If the player was moving upward with a speed o…