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A baseball leaves the bat at a height of 4 feet above theground, traveling at an angle of 45 degrees with the horizontal,and with a velocity such that the horizontal range would be 400feet. At a distance of 360 feet from home plate is a fence 30feet high. Will the hit be a home run?
X rays with initial wavelength 6.60×10?2nmundergo Compton scattering. What is the largest wavelength found in the scattered x rays
A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. The density of steel is 7860 kg/m3. Note that this value is not the linear density of the cable. At what speed does a transverse wave move along t..
When playing fortissimo (very loudly), a trumpet emits sound energy at a rate of 0.750 W out of a bell (opening) of diameter 13.2 cm. What is the sound intensity level right in front of the trumpet
A mirror on the passenger side of your car is convex and has a radius of curvature with magnitude 18.0 cm. (a) Another car is behind your car, 9.00 m from the mirror, and this car is viewed in the mirror by your passenger
A copper block is removed from a 300° C oven and dropped into 1.00 liter of water at 20° C. The water quickly reaches 25.5° C and stays at that temperature. What is the mass of the copper block?
A 6,000 lb car is traveling SW at 40 mph. it is hit by another car that weighs 7,000 lb and is traveling NNE at 50 mph. What is the speed and direction of the cars immediately after the collision
Kieran takes off down a 50m high, 10° slope on his jet-powered skis. The skis have a thrust of 320 N. The combined mass of skis and Kieran is 50 kg (the fuel mass is negligible). Kieran's speed at the bottom is 40 m/s. What is the coefficient of k..
A gas is allowed to expand isothermally until it reaches its final volume and its pressure is 2.97 atm. Find the heat absorbed by the gas during this process
An 18-year-old runner can complete a 10.0-km course with an average speed of 4.49 m/s. A 50-year-old runner can cover the same distance with an average speed of 4.27 m/s. How much later should the younger runner start in order to finish the course at..
The fastest land animal is the cheetah, which runs at a constant speed of 101 km/hr. The second fastest is the antelope, How far will the cheetah have travelled by this time
After that, specify which muscles are pulling on which bones and what type of joints is involved in lifting the glass. (Part two) at last, trace the path of the water from the mouth to the urethra, detailing gastrointestinal and renal / urinary an..
A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. Calculate the angular acceleration of the pottery wheel
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