What is the speed of a 0.145kg baseball if its kinetic energy is 109J?

The length of daylight at a location is related to 1) the stars 2) the moon 3) latitude 4 longitude

The equation for the change in the position of a train (measured in units of length) is given by the following expression: x = ½ at² + bt³ where a and b are constants and t is time (measured in units of time).

Think about how you obtain the energy you need to do everyday activities like doing chores, going to school, or playing sports. Explain by writing about it.

In which step of the scientific method do you record data (A) Hypothesis (B) Experiments (C) Purpose (D) Conclusion.?

A car is moving 60 km/h when the driver sees a signal light 40 m ahead turn red. The car can slow with an acceleration at the -.5g, where g is 9.8 m/s^2. What was her stopping distance? Assume zero reaction time. You should convert 60 km/h to m/s.

State the molecular theory of magnetism

A 0.50 kg croquet ball is initially at rest on the grass. When theball is struck by a mallet, the average force exerted on it is240 N. If the ball's speed after beingstruck is 3.0 m/s, how long was the malletin contact with the ball?

What is the speed of a 0.145kg baseball if its kinetic energy is 109J?

A student travels from st. louis to indianapolis, a distance of 210 mi, in 7.0 h. the return trip over the same route takes 6.0 h. what is the average speed for

If the velocity of a moving object doubles, then what else doubles?