science (force and motion)

explain how accceleration can be slowing down.

Calculate the impact force of a 50 kg object travelling at 100km/hr?

-> i was wondering if you can answer directly and not through hyperlinks... thank you

1. 👍 0
2. 👎 0
3. 👁 23
1. Consider the contact surface and the friction force.

Sorry on the "calculate" because any math is NOT in my area of expertise!

Sra

1. 👍 0
2. 👎 0

Similar Questions

1. science (force and motion)

explain how accceleration can be slowing down. Calculate the impact force of a 50 kg object travelling at 100km/hr? -> i was wondering if you can answer directly and not through hyperlinks... thank you

asked by sarah on May 3, 2011
2. Science (Force and motion)

Explain how acceleration can be slowing down. Calculate the impact force of a 50 kg object travelling at 100km/hr. (Momentum = mass x velocity) Calculate the momentum of a tennis ball of 50 g moving at a velocity of 25m/s.

asked by maria on May 3, 2011
3. Physics

a 1 kg textbook has been pushed and let go sliding to the left on a flat table no one is pushing the book at this moment. it is sliding a. calculate the weight of the textbook? How do I do these calculations? b. based on this

asked by Ruth on October 16, 2016
4. physics

Hi, I am confused about physics, more specifically force. I know that the formula for force is: f=ma So what if an object traveling at constant speed (acc equals zero) collides with a wall? How would you calculate the force, since

asked by Ashley on June 28, 2005
5. Physics Check

1.)To reduce the force of impact you could a)Extend the duration of the time of impact b)Decrease the duration of the time of impact c)Increase the mass of the moving object =d)None of the above 2.)What happens when you lengthen

asked by Ariel on July 13, 2010
6. physics

A golf ball with a mass of 48.0 g can be blasted from rest to a speed of 69.4 m/s during impact with a club head. Assume that the impact lasts only about 1.010 ms. Calculate the change in momentum of the ball. Calculate the

asked by Brandi on February 14, 2014
7. Physics

A golf ball with a mass of 50.3 g can be blasted from rest to a speed of 72.1 m/s during impact with a club head. Assume that the impact lasts only about 0.910 ms. Calculate the change in momentum of the ball. Calculate the

8. Physics

A vehicle of mass 600kg, moving at a speed of 30ms^-1 collides with a stationary vehicle of mass 900kg. The two vehicles lock together on impact. Calculate: 1) The speed of the two vehicles immediately after the impact. 2) The

asked by Saphina AlMatary on October 20, 2016
9. physics

I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of

asked by Morgan on March 23, 2010
10. physics

I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of

asked by Morgan on March 23, 2010

More Similar Questions