a 0.2kg ball rotates at a constant speed of 3 m/s on the end of 1.2 m long string. what is the centripetal acceleration of the object?

A cylinder has a height of 5.3 cm and a diameter of 3.0 cm. What is its volume

What do ocean waves and sound waves have in common

Describe an experiment to show that heat causes change in the state of a body.

True or false one of the benefits of using an exercise ball is generally involves the core muscles?

A source vibrating at constant frequency generates a sinusoidal wave on a string under constant tension. If the power delivered to the string is doubled, by what factor does the amplitude change? a. a factor of 4 b. a factor of 2 c. a factor of √2 d.

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?

The hinge at A and cable BDC support beam ABC. Cable BDC passes over the pulley D that is pinned to the ceiling. (Assume that the + x-axis is to the right and the + y-axis is up along the page.

The "zone of avoidance" a) Accounts for the absence of any planet between the orbits of Mars and Jupiter Prevents collisions between planets in the Solar System.

Electric current is ...

What type of ethic is life-centered and views humans as just one component life on Earth