Determine the speed of the smaller mass

  • Thread starter Gughanath
  • Start date
  • Tags
    Mass Speed
In summary, a 2.30 kg block slides down a 30.0° incline, 3.60 m high, and collides with a 7.10 kg block at rest on a horizontal surface. Assuming an elastic collision and ignoring friction, the speed of both masses after the collision can be determined using the conservation of momentum and kinetic energy equations.
  • #1
Gughanath
118
0
A block of mass m = 2.30 kg slides down a 30.0° incline which is 3.60 m high. At the bottom, it strikes a block of mass M = 7.10 kg which is at rest on a horizontal surface, Fig. 7-41. (Assume a smooth transition at the bottom of the incline, an elastic collision, and ignore friction.)
How can I determine the speed of the smaller mass and the greater mass after the colision. This is really confusing me :confused: . please help
 
Physics news on Phys.org
  • #2
In an elastic collision, momentum and kinetic energy are conserved for the system.
 
  • #3
So from this I should be able to make a simultaneous equation?
 

1. How do you calculate the speed of the smaller mass?

The speed of the smaller mass can be calculated by dividing the distance traveled by the time it took to travel that distance. This is known as the average speed formula: speed = distance/time.

2. What units are used to measure the speed of the smaller mass?

The units used to measure the speed of the smaller mass are typically meters per second (m/s) or kilometers per hour (km/h). However, other units such as feet per second (ft/s) or miles per hour (mph) can also be used.

3. Is the speed of the smaller mass affected by the mass itself?

Yes, the speed of the smaller mass can be affected by its mass. According to Newton's Second Law of Motion, an object's acceleration is directly proportional to its mass. This means that a smaller mass will accelerate more quickly than a larger mass under the same force.

4. Can the speed of the smaller mass change during its motion?

Yes, the speed of the smaller mass can change during its motion. This can happen if there is a change in the force acting on the mass, or if there are external factors such as friction or air resistance affecting its movement.

5. How can knowing the speed of the smaller mass be useful in scientific research?

Knowing the speed of the smaller mass can be useful in a variety of scientific research. It can help us understand the motion and behavior of objects in different environments, as well as calculate the energy and forces involved in certain processes. Additionally, it can aid in the design and improvement of technologies such as transportation and sports equipment.

Similar threads

What is the displacement of a 3.0 kg block sliding down an inclined plane?
    • Introductory Physics Homework Help
Replies
12
Views
1K
Why is momentum conservation always true in a collision?
    • Introductory Physics Homework Help
Replies
4
Views
1K
Collision Problem: Determining Mass of Ball
    • Introductory Physics Homework Help
Replies
11
Views
1K
Calculate Acceleration, Friction & Speed on 30° Incline | Block Homework
    • Introductory Physics Homework Help
Replies
6
Views
1K
Which sphere reaches the bottom of the inclined plane first
    • Introductory Physics Homework Help
Replies
19
Views
3K
Pulleys with a mass and radius
    • Introductory Physics Homework Help
Replies
3
Views
1K
Two blocks connected with spring and pulley
    • Introductory Physics Homework Help
Replies
1
Views
3K
Calculate speed of block at the end of the ramp
    • Introductory Physics Homework Help
Replies
10
Views
4K
Elastic collision with pendulum
    • Introductory Physics Homework Help
Replies
4
Views
4K
Motion Problem with two moving masses
    • Introductory Physics Homework Help
Replies
25
Views
3K

Hot Threads

Recent Insights

Back
Top