### How what hp moted would be necessary

Assignment Help Physics
##### Reference no: EM138584

Q1. A beam of 6 MeV electrons passes through a 400 micro-meter thick silicon detector. Estimate the energy lost by the electrons when crossing 200 micro-meters, 300 micro-meters and the full thickness of the detector.

Q2. A 5.1 g bullet leaves the muzzle of a rifle with a speed of 328 m/s. What force (assumed constant) is exerted on the bullet as it is travelling down the 0.85 m long barrel of the rifle?

Q3. A skier of mass 67 kg is pulled up a slope by a motor-driven cable.

(a) How much work is required to pull him 90 m up a 60° slope (assumed frictionless) at a constant speed of 1.9 m/s?

(b) How what HP moted would be necessary.

### Write a Review

#### What is the smallest thickness of a soap film

When she gets off the ride, she uploads the scale readings to a computer and creates a graph of scale reading versus time. Note that graph has a minimum value of 519 rm N and a maximum value of 666 rm N.

#### What is the greatest possible distance from the wall

What is the velocity of each ball after the elastic collision? What will be the highest height of each ball after the elastic collision .

#### What are the radiuses of the baseball path curvature

A baseball is bunted down the third-base line leaving the bat from a height of 0.850m with an initial velocity of 4.00m/s at an angle of 37.87° above horizontal.

#### What is lumberjacks speed relative to the shore

W hat is lumberjacks speed relative to the shore

#### What net force is exerted on it

A person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.2 m/s2, what does the scale read.

#### Establish the charge density of the plane

An astronaut travels to an alternate universe that contains infinite charged plane and no other charged objects. The astronaut observes that the electric field in this universe has a magnitude of 1.20 N/C everywhere and points directly away from the ..

#### What is the net charge of gas

A 3.40 g coin is positioned 16.0 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of mu_s = 0.720 and mu_k = 0.480. What is maximum angular velocity with which the turntable can sp..

#### Find out an angle of the velocity vector

Find out an angle of the velocity vector

#### Assume the track is frictionless

Two pipes of equal length are each open at one end. Each has the fundamental frequency of 500 Hz at 325 K. In one pipe the air temperature is increased to 330 K. If the two pipes are sounded together, what beat frequency results.

#### What is magnitude of the change in the magnetic field

What is magnitude of the change in the magnetic field

#### What is the least speed the block

What is the least speed the block must have at the top of the loop to make it around the loop-the-loop without leaving the track

#### Illustrate a new gravitational potential energy

Illustrate a new gravitational potential energy