Which has more kinetic energy, a real car moving at 5 mph or a real car moving at

35mph? How do you know? (explain your reasoning mathematically or logically)

An 80 N force has been applied to a block and move it 20m along the direction of the force.

Sally hass a car theat accelerates at 5 m/s2 if the car has a mass of 1000 kg how muuch force does the car produce?

True or false Newtons's First Law states "Acceleration depends on the mass of the object and the unbalanced force applied"

A bar having a length of 5 in. and cross-sectional area of 0.7 in.² is subjected to an axial force of 8000 lb. If the bar stretches 0.002 in., determine the modulus of elasticity of the material. The material has linear elastic behavior.

explain how a maglev train provides evidence that magnetic fields can apply forces between objects that do not touch.

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have

A 150-kg object takes 1.5 minutes to travel a 2,500 - meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What is the acceleration?