Select the correct answer.

A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 miles?

А.

2 minutes

OB.

2 hours

OC.

45 minutes

OD

45 hours

E

90 minutes

If your weight is force created by gravity on your body, and therefore is the Earth pulling you down, what is the reaction force?

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The main difference between turbojets and rocket engines is the fact that

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G 1470-kilogram truck moving with a speed of 24.0 m/s runs into the rear end of a 1110-kilogram stationary car. if the collision is completely inelastic, how much kinetic energy is lost in the collision?

An electric circuit consists of a variable resistor connected to a source of constant potential difference. If the resistance of the resistor is doubled, then

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