A physics student pushed a 50 kg load across the floor,

accelerating it at a rate of 1.5 m/s2. How much force did she

Apply?

Wax paper and frosted glass are translucent. This means that when light hits them: none of the light passes through them because it is all reflected. none of the light passes through them because it is all absorbed.

A small space telescope at the end of a tether line of length L moves at linear speed v about a central space station. What will be the linear speed of the telescope if the length of the line is changed to x*L? x = 2.8; v = 2 m/s?

The position of a particle is given by the position vector, r (t) = (3t) i + (-4.9t2) j, where r is in meters and t is in seconds.

Which statement is most clearly objective? a. according to hernandez, i believe pilots must retire in their 60s. b. walters argues that no american in society is truly an island. c. the strongest aspect of cunningham's argument is the research. d.

How much work does it take to pay

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A body with v=20m/s changes its speed to 28m/s in 2sec. its acceleration will be

Charge: A piece of plastic has a net charge of + 2.00 μC. How many more protons than electrons does this piece of plastic have? (e = 1.60 * 10-19 C)

How much heat is needed to raise the temperature of 6g of water by 18oC?