Is work being done if you push a child in a wagon

When you stand at rest on a bathroom scale, how does your weight compare with the support force by the scale?

During a baseball game, a baseball is struck at ground level by a batter. The ball leaves the baseball bat with an initial velocity v0 = 26 m/s at an angle θ = 17° above horizontal.

What is the surface temperature of a distant star having a peak wavelength of 475 nm?

If a space probe sends back info on an object traveling through space at close to the speed of light astronomers will be working with speeds of: A.) billions of meters per second B.) trillions of meters per second C.) millions of meters per second D.

If you want to design a thermometer with the same spacing between temperature markings as a mercury thermometer, how must the diameter of the inner hollow cylinder of the stem of the alcohol thermometer compare to that of the mercury thermometer?

An astronaut on the planet Trappist-1b tosses a rock horizontally with a speed of 7.95m/s. The rock falls through a vertical distance of 2.35m and lands horizontal distance of 9.57m from the astronaut.

Whicg of the following is not a force that would act on a bicycle as it moves down a street gravity air resistance fluid friction sliding friction

A student holds a magnet 1 m from a paper clip and sees no evidence of a force acting between the two. When the student brings the magnet 1 cm away from the paper clip, the paper clip begins to slide toward the magnet.

According to Newton's 3rd Law, an object's momentum depends on it's velocity and mass. 4 dog-sled teams competed to see who could gain the greatest momentum.

When resistors are connecting in a series, does the position of ammeter make any difference?