An object in free fall is dropped from a building. Its starting velocity is 0 m/s. Ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds

There is only one piece of evidence that supports the mammal competition hypothesis. After viewing the details of this evidence and its relation to the mammal competition hypothesis, do you think this is a widely accepted conclusion in the

3. A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. The car has Calculate it. energy.

What do sound waves, light waves, moving objects, and heat all have in common? - they all need a medium to travel - they are all electromagnetic waves -they are all mechanical waves -they all transfer energy

A small sphere with mass 5.00.*10-7kg and charge + 3.00μC is released from rest a distance of 0.400 m above a large horizontal insulating sheet of charge that has uniform surface charge density σ=+8.00pC/m2.

Megan is waiting for the school bus. She sees it driving down the street straight toward her position. If the bus is moving at a constant speed, which graph shows the position of the bus relative to Megan through time?

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?

Two descriptions about physical quantities are given below: Quantity A: It is a force. Quantity B: It changes when the object travels from Earth to Earth's moon. What quantities are these most likely describing? A.

How does the tilt of Earth's axis affect how the sun's rays strike Earth?