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High-speed stroboscopic photographs show that the head of a200-g golf club is traveling at 55m/s just before it strikes a 46-ggolf ball at rest on a tree.After collision, the club headtravels(in the same direction) at 40m/s. What is the speed of the golf ball just after impact.
Acceleration is sometimes expressed as multiples of g, the acceleration due to Earth’s gravity. In a car crash, the car’s (and driver’s) velocity may go from 26 m/s to zero in 0.15 seconds. On average, what is the acceleration experienced by the driv..
R-134a is flowing at 1kg/s and throttled from 850 kPa and 40 C to - 40 C. Heat is gained at a rate of 1 kJ/s from the surroundings at 25 C
Two blocks are placed in contact on a horizontal frictionless surface. The smaller box has less mass than the larger box. A force F is applied to the small box as shown so that the boxes accelerate to the right.
A charged particle is injected at 153 m/s into a 0.0747-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
A jet airplane is in level flight. The mass of the airplane is m = 8830 kg. calculate At what angle is the airplane banked
Illustrate the force vectors with their tails at the origin of coordinate system. The orientation of your vectors will be graded. The exact lengths of your vectors will not be graded but relative length of one to the other will be graded.
A thermos contains 130 cm3 of coffee at 85° C. To cool the coffee, you drop two 13-g ice cubes into the thermos, What is the final temperature of the coffee
When a 65-kg person climbs into a 1000-kg car, the car'ssprings compress vertically by 2.8 cm. What will be the frequency of vibration when the car hits a bump
Bats use the Doppler effect as a directional guide and to detect insects. Find the frequency of the sound detected by the bat
A simple loop circuit contains an inductor with inductance 2.45×10?2 H and a capacitor. what is the maximum current through the circuit
The pressure inside a gas bottle at 23.4 °C is 4350 kPa. What will be the pressure inside the bottle
A 0.54 cm high object is placed 8.7 cm in front of a diverging lens whose focal length is -7.5 cm. What is the height of the image
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