Use the data from table d of your student guide to answer the questions. be sure to round your answers to the
nearest tenth.
what was the acceleration of the 2 kg cart?
cm/s2
cm/s2
what was the acceleration of the 4 kg cart?
what was the acceleration of the 6 kg cart?
cm/s2

What is the coefficient of kinetic friction μk between the block and the tabletop?

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%