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

What would we need to know to calculate both work and power? a. energy, force, and time b. force, distance, and time c. force, mass, and distance d. mass, force, and energy

What does michaelis believe caused myrtle to run?

Suppose a miracle car has a 100% efficient engine and burns fuel that has a 40-megajoules-per-liter energy content.

Calculate the Force of Gravity acting on an object that has a mass of 1.3 kg. The object is on Earth so use 9.8m/s2 for the acceleration due to gravity. A. 0.13 N B. 7.5 N C. 12.7 N D. 1270 N

I will fan and give 2 medals! Why is it necessary to be able to replicate the results of a scientific experiment? (this is short answer)

A 7.00 kg mass is being pulled by a 53.8 n force what is the acceleration

2. How is temperature related to kinetic energy?

As stream velocity decrease, which factor will likely increase? A) erosion of the stream bank B) deposition of material in the stream C) amount of material carried downstream D) size of the particles carried downstream

What cells in the nervous signals travel through the nervous system

A mechanic pushes a 3.60 ✕ 103-kg car from rest to a speed of v, doing 5,130 j of work in the process. during this time, the car moves 21.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.