Which best describes a force?

a vector with magnitude and direction

a vector with speed and strength

a vector with direction only

a vector with strength only

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How many shifts must you work if you wish to wash 10 loads of laundry? express your answer numerically as an integer?

Mechanical energy often changes between potential and kinetic energy. True or False

What is the Ultraviolet Catastrophe?

When analyzing the results of a scientific experiment, Kevin should base his conclusion on A. the empirical evidence that was collected in other prior experiments. B. the empirical evidence that is collected during the experiment. C.

Which statement accurately reflects the relationship between speed and velocity? F Speed and velocity are the same. G Speed and velocity are not related. H Velocity is speed plus direction. J Speed is velocity plus direction.

A car travels 35.0 mph north for 1.00 hour, then 40.0 mph east for 0.0500 hour, and finally 50.0 mph northeast for 2.00 hours. Calculate the average speed.

A 500 lb steel beam is lifted up by a crane to a height of 100 ft and is held there. A) How much work is being done to hold the beam in place? B) How much work was done to lift the beam?

If Light is shone through the slits of a card onto a sheet of white paper describe what is seen.

When you break a magnet in half, how many poles does each piece have? Explain.

What can you use to unscrew a tiny screw?