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A raft is 3.9 m wide and 6.2 m long. When a horse is loaded onto the raft, it sinks 4.0 cm deeper into the water. What is the weight of the horse in kN?
What is the Right Ascension, Declination, Hour Angle, and Zenith Angle of the Sun at noon on the vernal equinox, summer solstice, autumnal equinox, and winter solstice as measured at a latitude of 40
A 3.9- cm-radius ball rolls down an inclined plane from rest at the top. How long is the plane
A 78.0kg skydiver can be modeled as a rectangular "box" with dimensions 21.0cm × 41.0cm × 185cm. What is his terminal speed if he falls feet first
By holding a magnifying glass 35cm from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8m from the lamp
The pilot of an aircraft wishes to fly due west in a 30.50 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190km/h. What should its speed relative to the ground be.
A block of mass .250 kg traveling at (1.0 m/s)y hits a second block with a .375 kg mass travelling at (1.2m/s)x, What is the velocity of the 1st blcok after they hit each other
The triangular glass prism with apex angle 60 has an index of refraction 1.5 a)show that if it angle incident on the first surface is 48.6 light will pass symmetrically through the prism.
A loop of wire has the shape shown in the drawing. The top part of the wire is bent into a semicircle of radius r = 0.23 m. The normal to the plane of the loop is parallel to a constant magnetic field ( = 0°) of magnitude 0.73 T. What is the change ?..
The crane pulls on the slab with a force of 4000N at an angle of 20o to the left of vertically upward. The only other force acting on the slab is the force of air resistance. What is the magnitude of the force of the air resistance? What is the di..
If the block comes to rest in 1.3m, what is the coefficient of kinetic friction between the block and the surface
A heavy mass in free fall does not fall faster than a light mass. The extra weight is compensated for by extra resistance. A heavy mass on a frictionless plane does not slide down faster than a light mass. A heavy ring and a light ring both roll d..
q1. a 19 kg box slides 4.0 rm m down the frictionless ramp shown in the figure then collides with a spring whose
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