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Q. A ball is thrown nearly vertically upward from a point near the edge of a tall building. it misses the edge of the building in ts way down and passes a point 160 ft below its starting point 5 seconds after it leaves the thrower's hand.
Q. When a 140 bag of nails hands motionless from a single vertical strand of rope, how much tension is exerted in the strand?
Find the position of the object to acquire real, magnified image, inverted, and virtual, upright image.
A single loop of wire with an area of 0.0900 m2 is in a uniform magnetic field that has an initial value of 3.80 T, is vertical to the plane of the loop, and is decreasing at a constant rate of 0.190 T/s.
An 800-N man stands halfway up a 5 m long ladder of negligible weight. The base of the ladder is 3 m from the wall as shown. suppose that the wall-ladder contact is frictionless, wall pushes against the ladder with a force of what magnitude.
A cable is used to raise a 29kg urn from an underwater archeological site. There is a 21 N drag force from the water as the urn is raised at a constant speed.
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
Find the boundary layer thickness and drag on a given plate if Water at 15°C flows over a plate 2m long and 25cm wide at a velocity of 5 m/s along its length.
A super tanker with the mass of 3.36 × 109 kg is moving with a constant velocity. Its engines generate a forward thrust of 4.11 × 105 N. Determine (a) magnitude of the resistive force exerted on the tanker by the water and (b) magnitude of the upward..
A plane flies from base camp to Lake A, 340 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 240 km at 30.0° west of north from Lake A. Graphically find the distance and direction from Lake B to..
A wooden raft has a mass of 92kg. When empty it floats in water (density 1000 kg/m3) with 48 percent of its volume submerged. What mass of sand can be put on the raft without it sinking.
A 5 kg toy race car can move along an x axis. It gives Fx of the force acting on the car, that begins at rest at time t = 0. (The vertical axis is marked in increments of 2.5 N.) what is the momentum at t=6?
A real object is placed at the zero end of a meterstick. A large concave mirror at the 100 cm end of the meterstick forms an image of the object at the 70.0cm position. A small convex mirror placed at the 20 cm position forms a final image at the ..
What is relative velocity
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