Tracy pushes a block up an inclined plane to a height of 1.0 m.

If Tracy puts 475 J of work into the system, but only 450 J are used to elevate the block, what is the efficiency of the inclined plane?

A. 95%

B. 106%

c. 925)

OD 25 J

Is the following statement true or false? Because action and reaction forces are equal in magnitude, they will produce the same acceleration in both objects involved. Select the best response below. A. True.

Velocity of sound increases on a cloudy day. Why?

When iron rusts, iron atoms are destroyed true or false?

If its mass is 3.55*105 kg and the net braking force is 4.05*105 n, what is the airplane's acceleration? mastering physics

If a ball is given a push so that it has an initial velocity of 5 m/s down a certain inclined plane, then the distance it has rolled after t seconds is given by the following equation. s (t) = 5t + 2t2 (a) Find the velocity after 2 seconds.

How would be the number 54 be correctly produced in ASL

A thin rectangular piece of wood floats in water. You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood.

A high speed train travels with an average speed of 227 km/hr. The train travels for 2hrs how far does the train travel

Why does a fluid become less dense when it is heated?

The period of a simple pendulum in a grandfather clock on another planet is 1.80 s. What is the acceleration due to gravity (in m/s2) on this planet if the length of the pendulum is 1.00?