1)Which one of the following statements describes an object moving at a CONSTANT
ID: 1702825 • Letter: 1
Question
1)Which one of the following statements describes an object moving at a CONSTANT VELOCITY?A)The truck sped up from 39 mph to 62 mph while moving in a straight line.
B)A spaceship slowed down while making a left turn.
C)A car was moving at a constant speed along a straight line path.
D)A motorcycle traveled at a constant speed while making a right turn The moped accelerated while making a u-turn.
2)Which of the following will create a MAGNETIC FIELD? Choose all that apply.
A)An electron moving in a circle while traveling at a constant speed of 20 in/min.
B)A proton that is speeding up from 1000 m/s to 1200 m/s.
C)A neutrino that is stationary.
D)A neutron that is slowing down from 500 km/h to 400 km/h.
E)An ion moving at a constant velocity of 60 mph due north
3)A 85 m3 incompressible box is completely submerged in a fluid. What volume of fluid is displaced by the box if the fluid is...
A.) ...AIR? The density of air is 1.2 kg/m3.
______m3
B.) ...MERCURY? The density of mercury is is 13.6 g/mL.
______m3
C.) ...HELIUM? The density of helium is 0.1786 g/L.
______m3
D.) ...WATER? The density of water is 1 g/cm3.
______m3
Explanation / Answer
1) A)The truck sped up from 39 mph to 62 mph while moving in a straight line. (In this case speed is changing. So the object moving with increasing speed ) B) A spaceship slowed down while making a left turn. (In this case speed decreasing ) C)A car was moving at a constant speed along a straight line path. (This is the best examplet for the body moving with constant speed) D)A motorcycle traveled at a constant speed while making a right turn The moped accelerated while making a u-turn. (If the moped accelerates the velocity will change) Hence the correct option is (C) A car was moving at a constant speed along a straight line path.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.