Suppose that you find clear evidonce of 9.8 ms is clearly larger than the rosult

Question

Suppose that you find clear evidonce of 9.8 ms is clearly larger than the rosults of the discrepaney between theory and experiment for g. such that results of the experiment. The most likely cause is a.) Air resistance b. ) Ohject was already moving at your labeled t-o. c.) Both a &b; d.) Neither a nor b Projectile Motion Lab &.) The purpose of first firing the ball horizontally of the table is to a.) use the data to con firm the equations of projectile motion b.J measure the firing speed of the gun. e.) Both a & b d.) Neither a nor b. that our theory assumes the firing spee ot the gunas the firing angle increases, when in fact it actually increases as the firing angle of the a.) increases, decreases b.) decreases, increases c.) decreases, stays constant d.) stays constant, decreases e.) stays constant, increases 10.) An object that is launched on level ground at 6 45" has: flight time and forward velocity, compared to one launched at 8-45 a.) more, less b.) less, more c.) more, the same d.) less, the same e.) None of these. Force Table Lab 11.) The "equilibrant" vector is required to determine the resulant vector R in: a.) the graphical method of vector addition b.) the component method of vector addition c.) determining it experimentally d.) None of these.

Explanation / Answer

7] option a is correct.

It is because air friction will increase the time taken, so the experimental value of g will decrease.

If the obbject was already moving, then experimental value of g will be more.

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