Question

A 70-kg crate is released from rest at A. The coefficient of kinetic friction between the crate and plane is $\mu_k$ = 0.40. (Figure 1) Determine the speed of the crate after it slides 9 m down the plane. Express your answer to three significant figures and include the appropriate units.

          A 70-kg crate is released from rest at A. The coefficient of
kinetic friction between the crate and plane is $\mu_k$ = 0.40.
(Figure 1)
Determine the speed of the crate after it slides 9 m down the plane.
Express your answer to three significant figures and include the appropriate units.

A 70-kg crate is released from rest at A. The coefficient of
kinetic friction between the crate and plane is = 0.40.
(Figure 1)
Determine the speed of the crate after it slides 9 m down the plane.
Express your answer to three significant figures and include the appropriate units.

Added by Heidi N.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Ivan Kochetkov

06/12/2022

Step 1

The net force can be calculated using the equation: \[ F_{net} = m \cdot g \cdot \sin(\theta) - \mu_k \cdot m \cdot g \cdot \cos(\theta) \] where: - $ m = 70 \, \text{kg} $ (mass of the crate) - $ g = 9.8 \, \text{m/s}^2 $ (acceleration due to gravity) - \( Show more…

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A 70-kg crate is released from rest at A. The coefficient of kinetic friction between the crate and plane is μ(k) = 0.40. (Figure 1) Determine the speed of the crate after it slides 9 m down the plane. v = 30