If a spring constant is 40 N/m and an object hanging from it stretches it 0.50 m, what is the mass of the object?

The sun Why does mining often result in environment Pollution?

If an object on a spring became four times as massive, how would that affect the period of its oscillation on the spring?

A projectile starts from rest and moves 4.8 m down a frictionless ramp inclined at 14◦ with the horizontal. The acceleration of gravity is 9.8 m/s 2. With what speed will it leave the ramp? Answer in units of m/s.

When two or more capacitors are connected in series across a potential difference a. the potential difference across the combination is the algebraic sum of the potential differences across the individual capacitors. b.

You did 150 joules of work lifting a 75 newton backpack. How high did you life the backpack?

Which statement best describes the magnetic properties of a material? Magnetic materials have many spinning, unpaired electrons Paired electrons of magnetic materials can move to other atoms Electrons of magnetic materials are strongly held by

when we examine the structures of the other terrestrial planets in our solar system, we see that their structure is similar to Earth's. Why do you think this is the case?

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?