What happens to acceleration if forces are balanced

A column of soldiers, marching at 132 steps per minute, keep in step with the beat of a drummer at the head of the column.

34) Fewer than disability and, of that number, only. a) 5%; 3-4% b) 3%; 1-2% c) 2%; 3-4% d) 2%; 3-5% the general population are classified as having an intellectual are profoundly intellectually disabled.

The reaction shown below is used in the production of steel. It is an exothermic reaction. An engineer thinks that by finding the correct catalyst, he can reduce the amount of energy released by the reaction.

If the air becomes ionized (and hence electrically conducting) when the electric field exceeds 2.92*106 v/m, what is the minimum separation the plates can have without ionizing the air?

What is the peak emf generated by rotating a a980-turn, 11cm diameter coil in the Earth's  5·10-5 

Which of these would you include ina free body diagram for a bicycle-plus-rider taken together as the bicycle is being pedaled up the hill?

What are two possible uses of genetic engineering

How many joules are expended by a 70 kg man climbing up 6m of stairway? How much work is done if the climbing takes place on the surface of the moon? (Assume that the acceleration due to gravity on the moon's surface is 1.6 m/s2

A baseball flying through the air has kinetic energy because of its motion. true or false?

How many poles does Jupiter's magnetosphere have? a. 2 c. 8 b. 4 d. 9