A 1036 kg mass car travels on a straight flat road at a constant speed v1...
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A 1036 kg mass car travels on a straight flat road at a
constant speed v1...
A car travels down a straight country road that leads over hills and through valleys. On...
A car travels down a straight country road that leads over hills and through valleys. On one particular stretch of road, the car encounters a hill that can be approximated as the top of a circle with a radius rh = 105 m. Later, the car comes to a dip with a radius of curvature rd = 75 m. Assume that the car maintains a constant speed of v = 23 m/s as it goes over the hill and through...
Please answer all parts A 1300 kg car coasts on a horizontal road with a speed...
Please answer all parts
A 1300 kg car coasts on a horizontal road with a speed of 18 m/s. After crossing an unpaved, sandy stretch of road 38.5 m long its speed decreases to 14 m/s. (a) Was the net work done on the car positive, negative, or zero? positive zero negative Explain. This answer has not been graded yet. (b) Find the magnitude of the average net force on the car in the sandy section.
A car travels along a straight road in the +x direction). When the car changes speed,...
A car travels along a straight road in the +x direction). When the car changes speed, it does so uniformly. The position of the car as a function of time is shown in the figure below. Position on x-axis (m) 0 1 2 3 4 7 8 9 10 11 5 6 Time (s) Select the appropriate choice for each statement. greater than the magnitude of the acceleration at Pis... that at R. qual to the speed at N is...
The driver of a car of mass M which is moving along a straight road with...
The driver of a car of mass M which is moving along a straight road with initial speed v0 sees a deer in her headlights, and reacts quickly, lifting her foot of the gas and applying the brake pedal with maximum force. The anti-lock brakes cause the largest possible static friction force to be applied on the tires by the road, which continue to roll so the car does not skid. The coefficient of static friction between the tires and...
A car is traveling north along a straight road with a constant speed of 11.2 m/s....
A car is traveling north along a straight road with a constant speed of 11.2 m/s. In order to pass through an intersection before the traffic light turns red, the driver accelerates forward with a constant magnitude of 2.25 m/s2 for 3.70 s. A)What is v0? B) What is a? C)What is t? D) What is the velocity of the car at the end of the acceleration? E)What is the position of the car at the end of the acceleration?...
A runaway train car that has a mass of 14500 kg travels at a speed of...
A runaway train car that has a mass of 14500 kg travels at a speed of 5.8 m/s down a track. Randomized Variables: m = 14500 kg, v = 5.8 m/s, F = 1250 N Part (a) What is the time required for a force F to bring the car to rest, expressed in terms of m, v, and F? Part (b) Compute this time, in seconds, for a force of 1250 N.
TR PROBLEMS: Show your 1. A 1800 Kg car moves around a flat circular road of...
TR PROBLEMS: Show your 1. A 1800 Kg car moves around a flat circular road of radius R- 100 m friction available between the tire and the road is 10368 N. Calculate (A) car can have so that it does not get out of the curve (B) the time alLoroblems radius R-100 m. The maximum amount ef (C) the new radius of the bigger circle the car moves on if it moves at a higher s the maxinmum speed the...
Problem 1: A car of mass 1000 kg moves at a constant speed of 20 m/s...
Problem 1: A car of mass 1000 kg moves at a constant speed of 20 m/s along a horizontal road where a frictional force is 200N. Calculate the power developed by the engine. If the car now moves up an incline at the same constant speed, calculate the new power developed by the engine. Assume that the frictional force is still 200 N and that sin(theta)=1/20 where theta is the angle of the incline to the horizontal. Problem 2: An...
Please answer all parts
A 1300 kg car coasts on a horizontal road with a speed of 18 m/s. After crossing an unpaved, sandy stretch of road 38.5 m long its speed decreases to 14 m/s. (a) Was the net work done on the car positive, negative, or zero? positive zero negative Explain. This answer has not been graded yet. (b) Find the magnitude of the average net force on the car in the sandy section.
A car travels along a straight road in the +x direction). When the car changes speed, it does so uniformly. The position of the car as a function of time is shown in the figure below. Position on x-axis (m) 0 1 2 3 4 7 8 9 10 11 5 6 Time (s) Select the appropriate choice for each statement. greater than the magnitude of the acceleration at Pis... that at R. qual to the speed at N is...
TR PROBLEMS: Show your 1. A 1800 Kg car moves around a flat circular road of radius R- 100 m friction available between the tire and the road is 10368 N. Calculate (A) car can have so that it does not get out of the curve (B) the time alLoroblems radius R-100 m. The maximum amount ef (C) the new radius of the bigger circle the car moves on if it moves at a higher s the maxinmum speed the...
Problem 1: A car of mass 1000 kg moves at a constant speed of 20 m/s along a horizontal road where a frictional force is 200N. Calculate the power developed by the engine. If the car now moves up an incline at the same constant speed, calculate the new power developed by the engine. Assume that the frictional force is still 200 N and that sin(theta)=1/20 where theta is the angle of the incline to the horizontal. Problem 2: An...
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