Other Physics Answers

An insulating sphere with a radius of 20 cm caries a uniform volume charge density of 1.5×10^-6 C/m^3. Find the magnitude of the electric field of a point inside the sphere that lies 8.0cm from the center

Haley’s Comet can only be viewed once in every 76 years. How fast is it moving if it is

1.56 x 1020 m away from the Earth? If its mass is about 3,000 kg, how much force is keeping it in orbit?

codys car accelerates from 0m/s to 45m/s northward in 15 seconds what is the acceleration of the car

two spherical objects have equal masses and experience a gravitational force of 25 N towards one other . Their centers are 36 cm apart . determine each of their masses .

The ball is tied to a string to whirl it having a radius of 40.0 cm at a velocity of 2.5 m/s. What will be

the acceleration of the ball?

1-5 The ball is tied to a string to whirl it having a radius of 40.0 cm at a velocity of 2.5 m/s. What will be

the acceleration of the ball?

Sphere A has charge of +10.0 C. It is brought in contact with a neutral sphere B and then separated. Find the final charges on spheres A and B if

a. The spheres have equal radius and

b. If the radius of sphere B is twice the radius of sphere A

A 1.5 N stone is thrown vertically upward with an

initial speed of 15 m/s . Calculate

a. P.E at the maximum height

b. K.E at the instant it will strike the ground

c. P.E after 1 s

d. K.E after 1 s

Three resistors R1=1.00Ω , R2=2.00Ω , and R3=2.00Ω , are connected in series The series connection is attached to a V=3.00V voltage source.

a. What is the equivalent resistance?

b.find the current supplied by the source to the series circuit?

The most usually-studied capacitors is made up of two parallel conducting plates. These are separated by 1.77 mm. What is the capacitance in air if the plate in 17 cm²? What is the charge is a potential difference of 120 V is applied?