What is the velocity of the two cars

Assignment Help Physics

Reference no: EM13811092

1. A rail car of mass 4500 kg is moving with a velocity of 12.4 m/s collides with a stationary rail car of mass 6700 kg. What is the velocity of the two cars if they stick after they collide?

2. A tennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. If he hits the ball with a velocity of 7.5 m/s and then stops, what impulse did he imply on the ball? What is the ball's velocity?

3. A 35 g bullet is fired in a ballistic pendulum device (see page 178 In text) and increases the height of the center of mass of the device and the bullet by 2.1 cm. If the level arm has a mass of 3.4 kg, what was the initial velocity of the bullet?

4. A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck? There is a non-conservative work done on the puck equal to the change in kinetic energy, or:

5. If a tire on a semi-truck is 1.1 m. How many FULL rotations will the tire roll if the truck moves 24.5 meters?

6. A large circus ride has a centripetal acceleration at 6.0 m/s². If the circular ride has a radius of 11.0 m, what is its velocity at the edge?

7. If a 56 diameter circular disk is uniformly angularly accelerating at a rate of 5.0 rad/s², what will the final angular velocity be after 4.0 seconds if it starts at a rate of 10.0 rad/s? What angle is subtended over that time?

8. A 40.0 N force is applied to a 46.0 cm long torque wrench. What is the net torque applied to the nut? Also if this force is applied for 3.0 seconds and the bolt starts from rest and ends with an angular velocity of 0.5 rad/s, what is the bolt's moment of inertia?

Reference no: EM13811092

Questions Cloud

Discuss the two most relevant reasons for low voter turnout : Discuss what you believe are the two most relevant reasons for low voter turnout in local elections compared to national elections.

Who are some targets or victims of hate crimes : Who are some targets or victims of hate crimes

Company does business in utah and maine : The firm's headquarters are in Texas, although the company does business in Utah and Maine. In which court or courts can Dart bring her suit-in a Utah State court, a Texas State court, a California State court, or a federal court?

Describe consumerism how is it applied in varied contexts : Describe consumerism. How is it applied in varied contexts

What is the velocity of the two cars : A rail car of mass 4500 kg is moving with a velocity of 12.4 m/s collides with a stationary rail car of mass 6700 kg. What is the velocity of the two cars if they stick after they collide?

Same products feature student discounts : Find three products advertised or sold over the internet with Senior Citizen's discounts what are they, and how big are the discounts? Do the same products feature student discounts? If so, how large are they?

How long does it take the camera to reach the ground : How long does it take the camera to reach the ground?

Whistle-blower definition and statute : After having reviewed the whistle-blower definition and statute, would you agree that despite having the whistle-blower statute in place, some employees are still apprehensive about coming forward with complaints? Please explain.

What is leadership style : What is Leadership Style? What type do you have and does it need changing? Can we change? When we read or talk about leadership style, it is the pattern of behavior used by a leader in attempting to influence (motivate) group members and make deci..

User Account

All Pages