Question

Asked Oct 11, 2019

30 views

A car can decelerate at -3.45 m/s2 without skidding when coming to rest on a level road.

What would its deceleration be if the road is inclined at 9.7 ∘ and the car moves uphill? Assume the same static friction coefficient.

Step 1

When the car decelerates on a level road, the deceleration force is provided by only the frictional force that acts on the car’s tires. That is,

Step 2

Here, *a* is the car’s deceleration value, *N* is the normal force that acts on the car’s tires and *µ* is the friction’s coefficient.

Since on a level road the normal force on the car is balanced by its weight, we have,

Step 3

Substitute *mg* for *N* in equation (1) and so...

Tagged in

Q: The orbital speed and the orbital radius of a satellite moving around a planet of mass 4.68x1023 kg ...

A: The expression for the first satellite’s orbital speed is,

Q: A simple harmonic oscillator having mass 5.00 g makes oscillation with displacement varies as x(5.60...

A: The value of the wave vector is,

Q: The resistance of a very fine aluminum wire with a 13 μm × 13 μm square cross section is 700 Ω . A 7...

A: Write the expression for the resistance of the wire.

Q: a. What is the resultant force exerted by the two cables supporting the traffic light in the figure?...

A: GivenForce in right cable (T1) = 60.0 NForce in left cable (T2) = 60.0 NAngles

Q: Joules Law allows us to compute the power in a simple electric circuit: P=I2R a) Use the equation ab...

A: Given information:Relation between P, I, R as:P = I2RResistance in the circuit (R) = 400 ohmsRate of...

Q: The two charges in the figure below are separated by d = 2.50 cm. (Let q1 = -18 nC and q2 = 27.5 nC....

A: Given,

Q: Suppose you collected a data set in which you measured fall-times for different fall-heights. You pl...

A: The relation between the fit parameter A from the given mathematical model to and the parameter g fr...

Q: A ball player catches a ball 3.61 s after throwing it vertically upward. With what speed did he thro...

A: Click to see the answer

Q: A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal ci...

A: The centripetal acceleration is 1.50 times the acceleration due to gravity.Write the expression for ...