4) What is the speed of a bike if it moves 50 meters in 5 seconds?

An object stays at rest until what happens to it?

A 40 kg mass is dropped from a tall rooftop and accelerates at 9.8 m/s2 . What is the weight of the dropped object? A) 392 N B) 9.8 N C) 40 N D) 0 N

What activity level should participants be in when exercising in their target heart rate zone

What do the four main layers of the atmosphere have in common

A 4.0 kg object will have a weight of approximately 14.8 N on Mars. What is the gravitational field strength on Mars? 40 N/kg 3.7 N/kg 1.48 N/kg 0.27 N/kg

A projectile is launched over a horizontal surface in such a manner that its maximum height is 3/5 of its horizontal range. Determine the launch angle.

Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that when they are in parallel?

A car's position in relation to time is plotted on the graph. What is the car's average velocity for segment C? A) - 4 m/s B) - 0.25 m/s C) 0.25 m/s D) 4 m/s

What percent of my Iodine-131 sample will be left after 7 half-lives?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !