A child on a spinning playground ride is (36 m from the center of the ride. The centripetal force on the child is 19 N.

What is the mass of the child if the child has a tangential

speed of 0.54 m/s?

3.7 kg

13 kg

23 kg

79 kg

A rectangular tank with length 3 m, width 2 m, and height h m is full of a certain synthetic oil whose mass density is 1 3 kg/m3. If the work required to pump all of the oil to the top and out of the tank is 90 J, how tall is the tank (i. e.

you toss an apple from a tree 5m horizontally. The Apple hits your friend on the ground that is 7m away from the tree. How fast did you throw the Apple in m/s? hello, answeerr

You push a cart with a mass of 15kg, giving it an acceleration of 3

A student is conducting a physics experiment and rolls four different- sized marbles down identical ramps. The marbles have the following masses: Marble A: 1.0 gram Marble B: 1.5 grams Marble C: 2.0 grams Marble D: 2.

Why is the efficiency of a machine never 100%

What is 18 degrees celsius in fahrenheit?

A small object moves along the x-axis with acceleration ax (t) = - (0.0320m/s3) (15.0s-t). At t = 0 the object is at x = - 14.0 m and has velocity v0x = 8.90 m/s. What is the x-coordinate of the object when t = 10.0 s?

Nitrogen and Hydrogen react to form ammonia (NH3). The reaction looks like this: Ammonia What is the ratio of nitrogen atoms to hydrogen atoms in ammonia? 1 to 2 1 to 3 2 to 1 3 to 1

Place the following types of electromagnetic radiation in order of increasing wavelength. ultraviolet light gamma rays radio waves Place the following types of electromagnetic radiation in order of increasing wavelength.

8. How does inertia act on an object that is moving in a circle? A. It causes the object to speed up as it moves. B. It causes the object to move along a straight path. C. It directs the object toward the center of the curve.