A rope pulls on the lower block in the figure with a tension force of 20 N. The coefficient of kinetic friction between the lower block and the surface is 0.16

The coefficient of kinetic friction between the lower block and the upper block is also 0.16. The pulley has no appreciable mass or friction. What is the acceleration of the 2.0 kg block?

A) 4.1 m/s2
B) 5.1 m/s2
C) 8.4 m/s2
D) 9.2 m/s2


Answer: A

Physics & Space Science

You might also like to view...

Transformers: An ideal step-up transformer doubles a primary voltage of 110 V. What is the ratio of the number of turns in its primary coil to the number of turns in the secondary coil?

A. 1:4 B. 4:1 C. 2:1 D. 1:2 E. 1:8

Physics & Space Science

Why did Hubble conclude the universe must be expanding?

What will be an ideal response?

Physics & Space Science

An electron moving in the positive x direction experiences a magnetic force in the positive z direction. If Bx = 0, what is the direction of the magnetic field?

a. negative y direction b. positive y direction c. negative z direction d. positive z direction e. negative x direction

Physics & Space Science

Scientific models should be falsifiable, that is, they should be able to be provenfalse

What will be an ideal response?

Physics & Space Science