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Solve the all parts of given question:
Question: A catcher catches a 145g baseball traveling horizontally at 32.0m/s
Part I: How much work does the pull do on the box?
Part II: Suppose that the same pull is exerted at an angle above the horizontal. If this pull now does 56.0J of work on the box while pulling it through the same distance, what angle does the force make with the horizontal?
Show all work, use additional paper if necessary.
A 2.50 hp water pump is pumping water from a well 12.0 m below ground. How many liters of water can it lift to the ground in 1 hour
A pump draws water through a 150 mm diameter pipe from a reservoir whose surface level is at datum level and discharges it through a 100 mm diameter pipe to another reservoir whose surface level is 72 m above datum level.
During volcanic eruptions, chunks of solid rock can be blasted out of the volcano; these projectiles are called volcanic bombs. What would be the time of flight
A 100 kg football linebacker is moving at 2 m/s tackles head-on an 80 kg halfback running 3 m/s. suppose the two players were initially running directly at one another. Neglecting the effects due to digging in of cleats:
a ball is shot from the ground into the air. at a height of 9.1 m the velocity is observed to be v 6.8 i 6.9 j ms
Over a year's time, a person receives a biologically equivalent dose of 24 mrem (millirems) from cosmic rays, What is the person's absorbed dose in rads
What mass of water (at 4.0 C) can be contained in a rectangular box whose dimensions are 10 cm by 5.00 cm by 1.00 cm? The density of water at 4C is 1.000 X 10 kg/m-cubed.
A 72 kg man is riding on a 40 kg cart traveling at a speed of 2.5 m/s. What is the resulting change in the cart's speed, including sign
A 7 grams bullet, when fired from a gun into a 0.80 kilogram block of wood held in a vise, penetrates the block to a depth of 7 centimeter. Find to what depth will the bullet penetrate the block in this case
The current in a solenoid with 21 turns per centimeter is 0.45A, Find the magnitude of the net magnetic field a radial distance of 0.70 cm from the straight wire.
A 5 kilograms box is pushed across a horizontal floor by a 20 Newton force that is angled 30o below the horizontal. Obtain the coefficient of kinetic friction between box and floor
A cosmic ray travels 60 {\rm km} through the earth's atmosphere in 420 \mu s, as measured by experimenters on the ground
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