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A 140 g baseball is moving horizontally to the right at 25 m/s when it is hit by the bat. The ball flies off to the left at 50 m/s, at an angle of 25 degrees above the horizontal. What is the magnitude of the impulse that the bat delivers to the ball? What is the direction of the impulse that the bat delivers to the ball?
A cubic meter of some material has a mass of 5200 kg. Find the buoyant force on the block and the tension in the cable
A current of 38.9mA flows in a silver wire of diameter 3.33 mm. Find the electric field strength inside the wire
Sally travels by car from one city to another. She drives for 30.0 min at 69.0 km/h, 37.0 min at 34 km/h, and 54min at 74.0 km/h and she spends 13.0 min eating lunch and buying gas.
A major-league catcher gloves a 85 mi/h pitch and brings it to rest in 0.17m. If the force exerted by the catcher is 803 N, what is the mass of the ball.
A 2.5-m^3 cylinder of oxygen (O2) is kept in a machine shop. The oxygen in the tank is kept at a temperature of 80 °C and a pressure of 0.6 MPa. what is the new pressure in the tank
Type your question hereA bullet (m = 0.0210 kg) is fired with a speed of 92.00 m/s and hits a block (M = 2.60 kg) supported by two light strings as shown, Find the height to which the block rises
The engine of a motorboat delivers 29.8 kw to the propeller while the boat is moving at 18.0 m/s . What would be the tension in the towline
Derive an expression for the shift in lambda in the peak wavelength of the planck function for a black body temperature T, corresponding to a small shift in temperature.
What is the largest mass of an asteriod that COULD be split 2hours from the Earth and have its two halves miss the Earth on both by 800 kilometers, What would the radius of this spherical asteriod be
If the potential difference between a cloud and the ground is about 17MV, how much charge is transferred in a lightning bolt that releases 1.3GJ of energy
A hydrogen atom is in its second excited state (n = 3). calculate angular momentum of the electron
A piece of radium has an activity of 10 mCi. What is the mass of the radium
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