A resistor of 5 Ω is placed in a circuit. The voltage drop across the resistor is 12 V. What is the current through the resistor?

A resistor of 5 Ω is placed in a circuit. The voltage drop across the resistor is 12 V. What is the current through the resistor?

A physicist is trying to measure the gravitational force between two lead spheres. The first sphere has a mass of 7.2 kg and the second sphere has a mass of 11.4 kg. The two spheres are measured to...

Consider a planet with a mass of 2.9 x 1024 kg. We want to put a satellite in orbit with an orbital radius of 5.7 x 106 meters. At what speed should the satellite go to have a perfectly circular orbit...

We observe a moon going around a planet. The moon orbits with a period of 7.3 days and with an orbital radius of of 3.5 x 107 meters. Find the mass of the planet. Give your answer ... in terms...

A car drives over a hill at a speed v. The car as a mass m and the hill has a radius of curvature of r. The ground exerts a normal force of FN. Calculate the normal force of the ground up on the car...

A turntable is spun at 75 RPMs. Calculate the time for each rotation (i.e. calculate the period). Give your answer ... in terms of seconds. Do not include units in your answer. They will...

A rubber stopper collides inelastically with the ground. during the collision, the magnitude of the force exerted on the stopper is F(t)= 2x10^5t-3x10^7t^2 the collision last for 6.67 ms calculate...

A vihicle goes from 9 m/s to 18 m/s in 10s. What is its acceleration?

Can anyone help me where Einstein's E=mc2 can be used

Full Question: If an astronaut weighed 175 pounds on Earth, he would have weighed only 29 pounds on the moon. If his mass was 80 kg on Earth, what would his mass have been on the moon? Topic:...

High School Physics

saturn a mass of 568.36 x 10^24 kg while mars has a mass of 639 x 10^21 kg. Saturn And mars are 1.2 x 10^9 km Apart.

A block weighing 7 N requires a force of 2.7 N to push it along at constant velocity. What is the coefficient of friction for the surface?

Dart-car lab dealing with momentum. stuck on this one question

Joe wishes to hang a sign weighing 950 N so that cable A attached to the store makes a 30 degree angle with the wall. Cable B is horizontal and attach to an adjoining building. What is the tension...

In a CRT, the deflection on the screen is 2.4 cm when the accelerating voltage is 480 V and the deflecting voltage is 36 V. What deflection will you see in the screen if the accelerating voltage is...

i want that someone explain me this

A astronaut stands on a bathroom scale in a 2 km diameter rotating space station that spins every 62.8 sec

A fish looking up through the water sees that the outside world is contained in a circular horizon. If the refractive index of water is 4/3 and th fish is 12cm below the surface of water, find the...

An electron travels with a speed of 2.60 x 106 m/s in a magnetic field of 0.30 T. What is the magnitude of the force exerted on the electron?

Mary L.

K-12 Math tutor

New York, NY

5.0
(65 ratings)

Robert E.

Experienced Physics and Math Tutor

Jamaica, NY

4.9
(478 ratings)

Kevin A.

MIT Ph.D. Passionate Organic Chem, Chem, Physics, MCAT/DAT, Math Tutor

Montclair, NJ

5.0
(453 ratings)