Two ropes are attached to a 40-kg object. The first rope applies a force of 50 N and the second, 40 N. If the two ropes are perpendicular to each other, what is the resultant magnitude of the acceleration of the object?
a. 1.2 m/s2
c. 25 m/s2
b. 1.6 m/s2
d. 47 m/s2
Question 2
A plane is moving due north, directly towards its destination. Its airspeed is 200 mph. A constant breeze is blowing from west to east at 60 mph. At what rate is the plane moving north?
a. 198 mph
c. 191 mph
b. 196 mph
d. 180 mph
Correct position when lifting a heavy object off the floor.
Spring force, crankcase pressure, and intake manifold vacuum work together to regulate the flow rate ...
The Global Positioning System determines the location of an object from its distances to ...
The position of an object that is oscillating on a spring is given by the equation x = (18.3 ...
The coefficient of the restitution of an object is defined as the ratio of its outgoing to ...
A forklift pushes a 100-kg crate, starting from rest, exerting a horizontal force of magnitude ...