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Q. A uniform metal rod, with a mass of 3.3-kg and a length of 1.0-m, is attached to a wall by a hinge at its base. A horizontal wire bolted to the wall 0.48-m above the base of the rod holds the rod at an angle of 29 degrees above horizontal. The wire is attached to the top of the rod. Find the tension in the wire, Find the horizontal component of the force exerted on the rod by the hinge and Find the vertical component of the force exerted on the rod by the hinge.
A train at a constant 75 km/h moves east for 48 min, then in a direction 61.0° east of due north for 11min, and then west for 67 min.
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
Find the resultant forces and moments at wrist, biceps muscle force, elbow and shoulder and joint reaction force using 2-D static analysis.
A ship sets out to sail to the point 158 km due north. An unexpected storm blows the ship to a point 134 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive an..
A 13000 kg railroad car travels alone on a level frictionless track with a constant speed of 17 m/s. A 6500 kg load, originally at rest, is dropped onto the car. What will be the car's new speed.
A stone takes 0.28s to travel past a window 2.2m tall. From what height above top of the window did the stone fall?
The rocket fires for 10 mins , after that the asteroid is moving at 30 degrees to its original path at the speed of 18 km/h/ Find its average acceleration.
A cylinderical water tank of radius 10ft and height 30ft is half filled with water. How much work is essential to pump all of the water out through a hole in the top of tank.
What was the speed of the car when the brakes were applied.
An engine goes through the following cycle with 2.20 sample of a diatomic gas. I. an isothermas expansion from point a to point b. II. a constant pressure compression from point b to point c. III.
Discover new angles with respect to the x-axis
A charge of -2.6 × 10-9 C is at the origin and a charge of 8.1 × 10-9 C is on x-axis at x = 3 m. At what two locations on the x-axis (xpositive, xnegative) is the potential zero.
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