Calculate the force (in pounds) ona 4.0 ft by 7.0 ft door due to a 0.4 psi pressure difference.

1. Given a voltage of 120 volts and a current of 5 amps, what is the resistance?

The current through two identical light bulbs connected in a series is 0.25 amps. The voltage across both bulbs is 100 volts. Find the resistance of a single light bulb.

What makes up momentum?

A body moving with a velocity of 20m/s begins to accelerate at 3 m/s 2. How far does the body move in 3 seconds

Explain what happens to the energy in a group in a system if one object loses energy according to the Law of Conservation of Energy.

Which of the following are thought to be rapidly rotating neutron stars with intense magnetic fields? Choose one answer. a. pulsarsb. white dwarfsc. black holesd. flare starse. accretion disks

A block of size 20m x 10 mx 5 m exerts a force of 30N. Calculate the maximum & minimum pressure exerted by the block on ground? hello yeah tell me the answer of this question

5. If the line on a speed-time graph is not horizontal, what does that tell you about its motion?

The circumference of the Earth is approximately 40,000 km. The Earth has a magnetic field that protects it from solar particle radiation. The major element comprising the solid inner core of the Earth is iron. The Earth is approximately 4.

A capacitor with the capacitance constant C has a charge of Q and a potential difference of V. If the charge is reduced to Q and the potential is increased to 2V, what is the new capacitance? 2c 4c