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You are playing basketball and go to toss the ball to a teammate who is 10 m away. You throw it upward at an angle of 70 degrees and your teammate catches it at the top of their jump. Assume the ball and your teammate start at the same height, and your teammate jumps with an initial upward speed of 3.5 m/s. How fast must you throw the ball and how long must they delay their jump for the play to work? Show all steps: situation and variables, strategy, and all calculation steps(5 box solution).
A single pane window is 25mm thick. It measures 1.2 m by 2.5m One side of the window is 25 o C and theother side is -22 o C How much heat is lost through the window in 24 hours? Kglass = .84J/kgoC
your physics teacher is holding a spinning wheel with angular momentum of 8 units upward while standing on a stationary
a u-shaped tube open to the air on both ends contains mercury. water is poured into the left arm until the water column
Standing on a sidewalk, you notice that you are halfway between a clock tower and a large building. When the clock strikes the hour, you hear an echo of the bell 0.8 s after hearing it directly from the tower. How far apart are the clock tower and th..
A converging lens and a diverging lens, separated by a distance of 30.0 cm, are used in combination. What is the focal length of the diverging lens
Astronomers have recently discovered a new planet in a faraway solar system, with a radius of roughly 380 km. calculate the minimum density of the planet
A 1.7kg object is at rest. A3N force to the right acts on theobject during a time interval of 1.5s. find the velocity of the object at the end of this interval
briefly discuss the advantages and disadvantages of pushing or pulling a vacuum cleaner or lawn mower or assisting
A mechanic pushes a 2.20 x10^3 kg car from rest to a speed of v, doing 5400 J of work in the process. During this time, the car moves 28.0 m. Neglecting friction between car and road, find each of the following.
A 1000-kg car is moving at 30 m/s around a horizontal curve whose radius is 100m. What is the magnitude of the frictional force
Two canoeists in identical canoes exert the same effortpaddling and hence maintain the same speed relative to the water. What is the speed of the water relative to shore
Each second, a nuclear power plant generates 2000 MJ of thermal energy from nuclear reactions in the reactor's core. What is the maximum possible thermal efficiency of the power plant
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