Why should the safety net that is used in circuses under trapezoids be little tightened?

What happens when a penny is dropped from a height of 20 meters? A. it falls at a constant velocity B. its mass doubles for every second it falls C. the force of gravity causes it to accelerate D. it changes direction every 9.8 meters

Solar cells convert what type of energy into electrical energy? A. chemical B. thermal C. nuclear D. electromagnetic

A proton moves at a speed of 1,140 m/s in a direction perpendicular to a magnetic field with a magnitude of 0.78 T. If the proton is replaced with an electron, how will the magnitude of the force change?

A 200g block on a 50cm long string swings in a circle, it's frictionless and 75rpm. What is its speed and tension on string

Our turtle Adel walks 10 feet in 50 minutes. How fast is Adel travelling? Be sure to include the equation for speed in your answer.

Why are petroleum and natural gas deposits highly sought after

States of matter depend in part on the blank of an item

An individual's unique long term patterns of thinking and behaving is called?

A box with a mass of 7 kilograms is pushed up a ramp to a height of 5 meters. What is the work done against the force of gravity?

A motorcycle is travelling north at 11m/s. How much time would it take for the motorcycle to increase its velocity to 26m/s (N) if it accelerated at 3.0m/s2?