### What is electrical force between the charges

Assignment Help Physics
##### Reference no: EM139936

Q1. Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges?

Q2. To keep a room at a comfortable 21.0 °C, Carnot heat pump does 325 J of work and supplies it with 2980 J of heat.

(a) How much heat is removed from the outside air by heat pump?

(b) What is the temperature of outside air?

### Write a Review

#### What is an angular speed about the center of mass

What is an angular speed about the center of mass

#### What friction torque is required to reduce angular speed

What friction torque is required to reduce angular speed

#### Suppose that the ship is at rest in the water

What is the wavelength of the waves emitted by source? What is the difference in frequency between directly radiated waves and the waves reflected from a whale travelling straight toward the ship at 4.99? Suppose that the ship is at rest in the water..

#### Determine how far lois falls before he catches her

A 120 g trick baseball is thrown at 51 km/h. It explodes in flight into two pieces, with a 50 g piece regular straight ahead at 86 km/h. How much energy do the pieces gain in the explosion.

#### Calculate the period t and the tension in the string f

Calculate the period T and the tension in the string F as a function of the angle. Compute the moment of inertia of this system for an axis that passes through the combined center of mass and is perpendicular to the plane of the rings.

#### What is the equivalent resistance of the light string

An engine does 20000 J of work and rejects 6120 J of heat into a cold reservoir whose temperature is 285 K. What would be the smallest possible temperature of the hot reservoir.

#### Calculate the net work done on gas

Calculate the net work done on Gas

#### How fast was the bullet travelling before the collision

A 0.04 kg bullet collides in elastically with a 0.5 kg ballistic pendulum. Before the collision the pendulum was at rest but immediately after collision the pendulum is moving with speed of 13.6 m/s. How fast was the bullet travelling before the coll..

#### What is the tension in cables

A 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. When it hits the ground at the base of cliff, the rock has a speed of 29 m/s. suppose that air resistance can be ignored, find out A) initial speed of the ro..

#### Calculate the acceleration of glider

calculate the total mechanical energy of the glider at any point in its motion. Calculate the maximum speed of glider.

#### Find the horizontal force essential to avoid relative motion

In brief explain the changes that the Sun will go through after it exhausts its core hydrogen. Be sure to describe both the changes occurring in the Sun's core and the changes visible from outside the Sun. What do we mean by the stages we call hydrog..

#### What is current flowing through the collider

What is current flowing through the collider