We are all in motion relative to?

- a tree outside

- the building

-the earth

-the sun

A 1.5 kg cart initially moves at 2.0 m/s. It is brought to rest by a constant net force in. 30s. What is the magnitude of the net force?

Glenn is heating water in teakettle. The hot water at the bottom of the kettle rises. The cooler water near the top sinks and warms. Which kind of transfer of heat is this?

A 70kg box is slid along the floor by a 400n force. The coefficient of friction between the box and the floor is 0.5 when the box is sliding. Find the acceleration of the box

What subatomic particle determines the identity of an element

A cheetah runs 900 meters in 30 seconds. how fast is it going?

Which has the same relationship as circle:cylinder? Triangle:sphere, square:window, rectangle:box, pentagon:counter

Which training principle does this scenario represent?

What is the wavelength of a wave? A. the amount of time that one full cycle takes. B. the distance from the beginning to the end of a cycle. C. the amount of cycles that occur in a given time. D.

Two football players collide on the field. Before the collision, their total momentum was 450 kgm/s to the north. What is their total momentum after the collision? A. More than 450 kgm/s north B. 450 kgm/s north C. Less than 450 kgm/s north D.

Jane and John Doppler effect