Question

A sports car of mass 950 kg (including the crosses
0 0
Add a comment Improve this question Transcribed image text
Answer #1

a) mg-mv^2/r =950*9.8-950*22^2/95 =4470N

b) 72(g-v^2/r) =338.778N

0 = m₂(g - v²/r)
0 = m₂g - m₂v²/r
m₂v²/r = m₂g
v = √gr
= √[(9.8m/s²)(95m)]
= 30.51m/s

Add a comment
Know the answer?
Add Answer to:
A sports car of mass 950 kg (including the crosses the rounded top of a hill...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A sports car of mass 1000 kg (including the driver) crosses the rounded top of a...

    A sports car of mass 1000 kg (including the driver) crosses the rounded top of a hill (radius = 85 m ) at 24 m/s . A) Determine the normal force exerted by the road on the car. B) Determine the normal force exerted by the car on the 80-kg driver. C) Determine the car speed at which the normal force on the driver equals zero.

  • A car drives over a rounded hill. A) What is the fastest the car can go,...

    A car drives over a rounded hill. A) What is the fastest the car can go, in m/s, without the tires coming off of the road? B) If the mass of the car is 1500 kg, what is the net force on the car when it is at the top of the hill when it travels at a speed of 5 m/s?

  • In the figure, a car is driven at constant speed over a circular hill and then...

    In the figure, a car is driven at constant speed over a circular hill and then into a circular valley with the same radius. At the top of the hill, the normal force on the driver from the car seat is 0. The driver's mass is 56.0 kg. What is the magnitude of the normal force on the driver from the seat when the car passes through the bottom of the valley? Raclius Raclius Units Number

  • A 1100 kg car traveling at 20 m/s goes over a hill. At the top, the...

    A 1100 kg car traveling at 20 m/s goes over a hill. At the top, the hill provides an upward normal force of 5600 N. (a) Assuming the hill has a circular profile, find the radius of curvature of the hill. (b) What is the maximum speed the car can go over the hill without ramping the car off the ground?

  • 4. A 76-kg car driver reaches the bottom of a hill moving at a speed of...

    4. A 76-kg car driver reaches the bottom of a hill moving at a speed of v= 20 m/s. This bottom of the hill forms the arc of a circle whose radius is 200 m, as shown. (a) At this bottom of the hill, what is the magnitude /r = 200 m of the centripetal acceleration of the driver? (b) Find the force exerted on the driver by the car seat at this bottom of the hill. [(a) 2 m/s;...

  • A car is travelling at the top or a semi-circular hill, and at the top of...

    A car is travelling at the top or a semi-circular hill, and at the top of the hill, it is moving exactly at 32 m/s which is exactly the speed needed to just leave the road/hill. If the same car is travelling over a hill which is one quarter as tall (radius is one quarter), what is the maximum speed, in m/s, it can travel before it just starts to leave the hill?

  • 3. A car with mass m travels over a hill with a radius of curvature of...

    3. A car with mass m travels over a hill with a radius of curvature of r at a speed of 15 m/s. What is the normal force on the car when the car is at the top of the hill? (6 pts) the car has a mass of 1200 Kilograms and the radius of curvature is 25 meters 4. A student with a mass of m rides a roller coaster with a loop with a radius of curvature of...

  • 3. An 800 kg car travels over a hill having the shape of a parabola. If...

    3. An 800 kg car travels over a hill having the shape of a parabola. If a driver maintains a constant speed of 9 m/s, determine both the resultant normal force and the resultant frictional force that all the wheels of the car exert on the road at the instant it reaches point A. y = 20 (1 - 6400

  • A roller-coaster car has a mass of 660 kg when fully loaded with passengers. The car...

    A roller-coaster car has a mass of 660 kg when fully loaded with passengers. The car passes over a hill of radius 15 m, as shown. At the top of the hill, the car has a speed of 8.2 m/s. What is the force of the track on the car at the top of the hill?

  • A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car...

    A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius 15 m, as shown. At the top of the hill, the car has a speed of 8.0 m/s. What is the force oof the track on the car at the top of the hill?

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
Active Questions
ADVERTISEMENT