The heating element of an electric oven is designed to produce 5.0 kw of heat when connected to a 220 v source. what must be the resistance of the element?

The world record for the 100.0 meter dash is 9.580 seconds. Find the speed of the runner in miles per hour.

A shopping cart accelerates 0.5 m/s2 when a net force of 8 N is applied to it. What is the mass of the shopping cart?

An airplane cruises at 880km/h relative to the air. It is flying from Denver, Colorado, due west to Reno, Nevada, a distance of 1200km, and will then return. There is a steady 90km/h wind blowing to the east.

superman with a mass of 150 kg, goes to outer space to push a 125000 kg alien spaceship out of the stationary orbit. he use his super strength and pushes the ship away at a speed of 150 m/s. what is the speed of superman after his big push?

What is the average speed of a rocket that travels a distance of 35000 miles in 2 hours

A California Condor is approaching its nest with a large chunk of carrion in its beak. As it approaches, it makes an upward swoop, achieving a momentary upward velocity of 12.

Radiation transfers thermal energy through -

A PWC is overtaking another vessel. Which vessel must give way?

A car traveling at + 7.0 m/s accelerates at the rate of + 0.80 m/s2 for an interval of 2.0 s. Find vf.

What is the frequency of radiation whose wavelength is 0.84 nm? express the frequency in inverse seconds to three significant digits?