What power of an engine is required to pump 2450N of water per second from a well 50m deep to the surface

A. 2.45*10^3watts

B. 2.45*10^4watts

C. 2.45*10^5watts

D. None of these

For a given input force, a ramp increases which of the following? A) height B) output force C) output work D) efficiency

The pressure of a box pushes down on the floor is 50 Pa if the box weighs 400 N what is the area of the base of the box

Your're sailing a boat from spain west to florida. which winds would you use?

A taxi hurries 156km in 1 1/2 hours. what is it's average speed in kilometers per hour

give an example of the follow components of culture in your life and explain the role it plays. 1. Language.

A 0.42 kg football is thrown with a velocity of 17 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.017 S. What is the force exerted on the receiver? Answer in units of N

When Little Albert was conditioned to be afraid of the white mouse, he also became afraid of stuffed animals, other furry things, and even Santa Claus. These learned behaviors demonstrated the phenomenon of Select one: A. extinction X B.

An object floats in liquid of density 1.2*10kgm/3 with one quarter of its volume above the liquid surface. Determine the density of the object

In cloud formation, water vapor turns into water droplets which get bigger and bigger until it rains. This will cause the temperature of the air in the clouds to: a. get warmer. b. get cooler. c.

Find the work done by a 25N force applied for 6 meters