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A 2.00 kg particle moves in the xy plane with a velocity of v = (4.00 - 3.30 ) m/s. Determine the angular momentum of the particle about the origin when its position vector is r = (1.50 + 2.20 ) m. ( i + j + k) kg·m2/s.
A 60 kg block is pushed 5m up a fricitonless incline to a height 1m above the ground. How much work is done by the person on the block pushing it up the incline
10-kg block is connected to a 40kg block.The horizontal surface on which the blocks slide is not frictionless and assume both blocks are made out of same material. a force of 50 N pulls the blocks to the right and produces an acceleration of 1/2 m..
A ladder base is 6m away from a house, and the fully extended ladder is 10m long when it leans against the house
On a spacecraft, two engines fire for a time of 598 s. One gives the craft an acceleration in the x direction of ax = 4.92 m/s^2, while the other produces an acceleration in the y direction of ay = 7.60 m/s2. At the end of the firing period, the c..
the driver of a train moving at 20 m/s applies the brakes when it passes an amber signal. Find the train's acceleration and its speed at the next signal
question1a wire shaped in the shape of an equilateral triangle of side d 8 cm carries current i 0.25 a. this loop is
The gravitational acceleration of bodies dropped near the Moon's surface is about 1.6 m/s^2. Find the time for an object dropped from rest to fall 3.0m on the Moon Find the time for an object dropped from rest to fall 3.0m on Earth.
A curve in a highway has radius of curvature 110 m and is banked at 3.4°. On a day when the road is icy, what is the safest speed to go around the curve
As the driver steps on the gas pedal, a car of mass 1 180 kg accelerates from rest. What is the minimum average power output of the engine over this time interval
A certain lightbulb has a tungsten filament with a resistance of 19.4 ? when at 20.0°C and 150 ? when hot. Assume the resistivity of tungsten varies linearly with temperature even over the large temperature range involved here. Find the temperature o..
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. Assume that these protons are incident on the Earth's atmosphere from all directions at a rate of 1090. protons per square meter per second.
q1. a 77 kg man drops from rest on a diving board -3.1m above the surface of the water and comes to rest .41s after
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