If you needed to find the force needed to pull a small car up a ramp it would be best to use -

A. A spring scale

B. An electronic balance

C. A triple beam balance

D. A formula

What happens to the pressure in a tire if air is slowly leaking out of the tire? explain your answer?

Which law explains why your head would hurt if you bumped it against the door?

When light bends as it enters a different medium the process is known as what?

Direct current is produced by an electric motor an armature a solenoid a battery

How much electrical energy is used by a 75 W laptop that is operating for 12 minutes?

The density of sugar is 1.59 g/cm3. the mass of a sample is 4.0 g. find the volume of the sample

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2? 0.013 N 75 N 108 N 1080 N

No work is done on an object when a force acting on the object does not move it. True False

wavelength of a light whose second-order dark band forms a diffraction angle of 15.0° when it passes through a diffraction grating that has 250.0 lines per mm

If a fully loaded shopping cart has a head-on collision with an empty cart both moving at the same speed toward each other, which cart experiences the greater force? The greater impulse? The greater change in momentum? The greater acceleration?