Find the change in the gravitational force between two planets if the masses of both planets are doubled but the distance between them stays the same.

Cuanto aumenta por segundo la velocidad de un cuerpo cuando cae?

You measure a 15.0-V potential difference across a resistor that has 0.30 A of current flowing through it. What is the value of the resistance?

A constant magnetic field passes through a single rectangular loop whose dimensions are 0.41 m x 0.65 m. The magnetic field has a magnitude of 1.8 T and is inclined at an angle of 78° with respect to the normal to the plane of the loop.

Sound pulses emitted by a dolphin travel through 20°c ocean water at a rate of 1450 m/s. in 20°c air, these pulses would travel 342.9 m/s. how can you account for this difference in speed?

If an atom has 5 protons and 6 electrons it's charge

Under what condition (s) will an object be in equilibrium? Notice that equilibrium in physics has a broader definition. (A) Only if it is moving with constant velocity. (B) Only if it is at rest.

If a pressure gauge measure an increase in 3*10^ (5) Pa on an area of 0.7 m^2, calculate the increase in the force applied to the area?

Which of the following is an example of potential rather than kinetic energy? a. water rushing over Niagara Falls b. a molecule of glucose c. a crawling beetle foraging for food d. light flashes emitted by a firefly

If a force of 15 newtons [N] is applied to a surface and the pressure is measured as 4,000 pascals [Pa], what is the area of the surface in units of square milimeters [mm2 ]?

An engineer has the task of producing an aluminum alloy with a density of 3.0 grams per cubic centimeter. She comes up with the perfect alloy and saves a sample of it. Which mass and volume measurements correspond to this sample? 7 g and 2.