A bowling ball with a mass of 7 kg rolls along a horizontal surface at 30 m/s.

What is its kinetic energy?

What is the frequency of blue light that has a wavelength of 476 nm?

A woman hangs from a bar using both her arms. If she weighs 700 N, how much force does each arm support? If she accelerates?

How do high-energy electrons from glycolysis and the krebs cycle contribute to the formation of atp from adp in the electron transport chain?

How far apart are the stop signs

Ans of physics numerical : a body of mass100 cm cube weighs 5 kgf in air. It is completely immersed in a liq of density 1.8 * 1000kgmcube. Find upthrust due to liq and weight of body in liq

Ben franklin showed that 1 teaspoon of oil would cover about 0.50 acre of still water. if you know that 1.0 x 104m2 = 2.47 acres, and that there are 5.0 cm3 in a teaspoon, what is the thickness (in cm) of a later of oil?

Which of the following are indicators of chemical changes (choose all that apply): 1. A solid is formed 2. Heat is released or absorbed 3. A gas is released 4. Light or Sound is Produced 5. State of Matter changes 6. A color change takes place 7.

How long do your guests have to wait until the steaks are ready?

Newton discovered that gravity behaves differently in space than it does on Earth. true or false?

A block of wood loses 160 j of gravitational potential energy as it slides down a ramp. if it has 90 J of kinetic energy at the bottom of the ramp we can conclude that