a 20 kg box is pulled with a constant acceleration a= 3m/s^2 along a horizontal

Question

a 20 kg box is pulled with a constant acceleration a= 3m/s^2 along a horizontal frictionless floor by a wire that makes an angle of 15 above the horizontal. What is the tension T in this wire?

a-      600

b-      196

c-       232

d-      62.1

e-      29.4

a 50 kg swimmer goes down a frictionless water slide that is 4m above the water. If the summer leaves the slide in a horizontal directionat 1.5m above the water. How far in front of the slide will she hit the water?

A-     3.9

B-      1.5

C-      5.4

D-     7

E-      2.5

Two blocks are connected by a string.?

The smooth inclined surface makes an angle of = 35

Explanation / Answer

1. d
2. c

3. c

4. a

5. b

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