A force of 575 N moves a shopping trolley 100 m. Calculate the work

done in moving the trolley.

If two identical trees are cut down, one with a hand saw, and one with an electric saw ... Which would involve more work? Which would involve more power? Why?

A slanted vector has a magnitude of 41 N and is at an angle of 23 degrees north of east. What are the magnitude and direction of the horizontal and vertical components of this vector?

Which of these factors will increase the speed of a sound wave in air? A) wavelength B) temperature C) amplitude D) frequency E) period

Electron groups consist of which of the following? A. Bonded pairs of electrons B. Lone-pair electrons C. Any atom that's an ion D. Three or more unshared electrons

An airplane travels in a straight line directly from Washington, d. c., to Atlanta, Georgia. Ignoring take off and landing, what is constant throughout the majority of the flight? time distane velocity or temperature

Suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity.

Which type of radiation can penetrate deepest into exposed materials?

Find the components of vector M shown in figure 5-7

At a pressure 44 kpa the gas in a cylinder has a volume of 29 liters assuming temperature remains the same, if the volume of the gas is decreased to 4liters what is the new pressure? kpa

How does erosion move and deposit rocks