A motion sensor and a force sensor record the motion of a cart along a track, as shown above. The cart is given a push so that it moves toward the force sensor and then collides with it. The two sensors record the values shown in the following graphs. a. Determine the cart’s average acceleration between t = 0.33 s and t = 0.37 s.

a. Draw the velocity graphs of Vy and Vx as a function of time. b.Draw x and y component of the position as a function of time. c. how long does it take for the rock to hit the ground? d. what is distance X where the rock hits the ground from the base of the vertical cliff?

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A coin that is tossed straight up into the air. After it is released, it moves upward, reaches its highest point and falls back down again. Use one of the following choices (A through G) to indicate the acceleration of the coin during each of the stages of the coin's motion described below. Take up to be the positive direction. Answer choice J if you think that none is correct. A. The acceleration is in the negative direction and constant. B. The acceleration is in the negative direction and increasing. C. The acceleration is in the negative direction and decreasing. D. The acceleration is zero. E. The acceleration is in the positive direction and constant. F. The acceleration is in the positive direction and increasing. G. The acceleration is in the positive direction and decreasing. The coin is mo downward. OE OF OJ O C O A OD OG O B

I’m really just not sure how to type this into my calculator or even attempt to answer this question.

A round with a mass of m= 11.5 g is shot out of a rifle that has length L= 1.14 m. The round spends t= 0.14 s in the barrel. a. Write an expression, in terms of the given quantities, for the magnitude of the rounds acceleration, a, as it travels through the rifles barrel. You may assume that acceleration is constant throughout the motion. b. Calculate the numerical value for the magnitude of the rounds acceleration, a in m/s square. c. What is the numerical value of the net force F NET in Newton’s acting in the round?

The answer for this problem would be "C" but could you explain me why? The reason for this is to understand this kind of problems in the future not only this one.

A steel cable lying flat on the floor drags a 20 kg block across a horizontal, frictionless floor. A 110 N force applied to the cable causes the block to reach a speed of 3.9 m/s in a distance of 2.0 m. What is the mass of the cable? Express your answer with the appropriate units. m= Submit μA Value Units ? Units input for part A Previous Answers Request Answer