Ewit Name Section Problem 3 The following questions are independent of each other. Use g= 9.8 m/s². Engineers are designing a curved section of a highway. If the radius of a), curvature of the curve is 200 m, a. At what angle should the curve be banked so that a car traveling at 30.0 m/s will stay on the road without the aid of frictional forces? b. If the mass of this car is 1200 kg, calculate the magnitude of the normal force. You must show free body diagram.

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Chapter1: Units, Trigonometry. And Vectors
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Name
Problem 3
Section
The following questions are independent of each other. Use g = 9.8 m/s².
a)
curvature of the curve is 200 m,
a. At what angle should the curve be banked so that a car traveling at 30.0 m/s will
stay on the road without the aid of frictional forces?
b. If the mass of this car is 1200 kg. calculate the magnitude of the normal force.
Engineers are designing a curved section of a highway. If the radius of
You must show free body diagram.
book exm but one fomuls
All books oust be placed the
this boo
pege as the
side.
elearie and p
b)
speed 2.5 m/s. The top of this rise can be modeled as a circle of radius 4.0 m. The sled
and occupant have a combined mass of 110 kg. If the coefficient of kinetic friction
between the snow and the sled is 0.10, what friction force is exerted on the sled by the
A person on a sled coasts down a hill and then goes over a slight rise with
snow as the sled goes over the top of the rise? You must show free body diagram.
Problem 3
Total Grade
c)
is proportional to the square of its speed. If the object has a terminal speed 80.0 m/s,
what is the magnitude of the drag force on the object when it is falling with a speed 30.0
m/s?
s] The magnitude of the drag force of air resistance on a certain 20.0-kg object
Transcribed Image Text:Name Problem 3 Section The following questions are independent of each other. Use g = 9.8 m/s². a) curvature of the curve is 200 m, a. At what angle should the curve be banked so that a car traveling at 30.0 m/s will stay on the road without the aid of frictional forces? b. If the mass of this car is 1200 kg. calculate the magnitude of the normal force. Engineers are designing a curved section of a highway. If the radius of You must show free body diagram. book exm but one fomuls All books oust be placed the this boo pege as the side. elearie and p b) speed 2.5 m/s. The top of this rise can be modeled as a circle of radius 4.0 m. The sled and occupant have a combined mass of 110 kg. If the coefficient of kinetic friction between the snow and the sled is 0.10, what friction force is exerted on the sled by the A person on a sled coasts down a hill and then goes over a slight rise with snow as the sled goes over the top of the rise? You must show free body diagram. Problem 3 Total Grade c) is proportional to the square of its speed. If the object has a terminal speed 80.0 m/s, what is the magnitude of the drag force on the object when it is falling with a speed 30.0 m/s? s] The magnitude of the drag force of air resistance on a certain 20.0-kg object
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