A proton has_charge.

How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?

Neha swims in a 90 m long pool. She covers 180 m in one minute by swimming from one end to the other and back along the same straight path. Find the average speed and average velocity of Neha.

What is the correct SI unit for the vertical axis?

Mary is 52kgs and standing on a ladder. What forces are acting on her? There are more than one forces

Hree charges are fixed in place as shown. the squares in the grid have sides of length s = 0.24 m. the magnitude of q is 3 mu or micro cc, while the magnitude of q is 4.5 mu or micro cc.

16. A block is sitting on a ramp tilted from horizontal. The block is just about to slide. T he angle of the ramp relative to horizontal is 14 degrees. What is the coefficient of friction between the block and the ramp? a. 0.25 b. 0.97 c. 0.5 d. 0.

Assume that a friend hands you a heavy book to hold as he turns the combination lock on his locker. Which of you does more work?

A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that is open at both ends has a fundamental frequency of 422 Hz, while the piece open only at one end has a fundamental frequency of 666 Hz.

Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t (t-0.42) where h is the height in meters above the table and t is the time in seconds.

A coat rack weighs 65.0 lbs when it is filled with winter coats and 40.0 lbs when it is empty. The base of the coat rack has an area of 452.4 in2.