# Physics!

posted by .

Calculate the watts of power expended when a force of 2.0N moves a book 2.4m in a time interval of 1.0 s.

Express your answer to two significant figures and include the appropriate units.

• Physics! -

2*2.4 /1 watts = 4.8 watts

## Similar Questions

1. ### physics

Calculate the watts of power expended when a force of 1.8 N moves a book 2.0 m in a time interval of 1.0 M/S
2. ### Physics!

How many joules of potential energy does a 1.2-kg book gain when it is elevated 4.0 ?
3. ### Physics

How many watts of power do you expend when you exert a force of 0.50N that moves a book 2.1m in a time interval of 1.1s ?
4. ### Physics.

Calculate the tension in a horizontal string that whirls a 1.9-kg toy in a circle of radius 2.3m when it moves at 2.8m/s on an icy surface. Express your answer to two significant figures and include the appropriate units
5. ### Physics

Calculate the tension in a horizontal string that whirls a 1.9-kg toy in a circle of radius 2.3m when it moves at 2.8m/s on an icy surface. Express your answer to two significant figures and include the appropriate units. 1.9(2.8)^2 …
6. ### physics

A model rocket leaves the ground, heading straight up at 45m/s . Part A What's its maximum altitude?
7. ### Physics

A woman holds a 1.90-m-long uniform 5.0-kg pole as shown in (Figure 1) ( its horizontal). A. Determine the force she must exert on the pole at A. Express your answer to two significant figures and include the appropriate units. Enter …
8. ### Physics

An athlete performing a long jump leaves the ground at a 27.1 ∘ angle and lands 7.73 m away. 1). What was the takeoff speed?
9. ### physics

You pick up a 3.2 kg can of paint from the ground and lift it to a height of 1.4 m . Part A How much work do you do on the can of paint?
10. ### Physics

The Achilles tendon is attached to the rear of the foot as shown in Tap image to zoom . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 61 kg and D is twice as long as …

More Similar Questions