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A soccer player runs up behind a 0.450-kg soccer ball traveling at 3.20 m/s and kicks it in the same direction as it is moving, increasing its speed to 12.8 m/s. What magnitude impulse did the soccer player deliver to the ball?
The larger molecule HI has a bond length of 160.92 pm (H=1, I=127). its bond's force constant is 314 N/m. what are the frequencies of light for that will excite the lowest energy rotational and vibrational translations
A cart with mass 220 g moving on a frictionless linear air track at an initial speed of 1.0 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. What is the mass of the second cart
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
An atomic spectrum contains a line with a wavelength centered at 450nm, Estimate the lifetime of the excited state
You have a cylindrical cup of water that springs a leak 5 cm below the surface of the water. What is the velocity of the water coming out of the hole
A grasshopper jumps a horizontal distance of 1.50 m from rest, with an initial velocity at a 41.0° angle with respect to the horizontal. Find the initial speed of the grasshopper
A gun shoots bullets that leave the muzzle with a speed of 338 m/s. If a bullet is to hit a target 104-m away at the level of the muzzle, the gun should be aimed at a point above the goal.
700 g of an unknown metal powder at Thot = 78°C are dropped into a negligible heat capacity calorimeter containing 140 g of water at 11°C, Calculate the specific heat of the metal powder
Sam heaves a shot with weight 16-lb straight upward, giving it a constant upward acceleration from rest of 45.5m/s2 for a height 63.0cm, What is the speed of the shot when he releases it
A point charge of 9 µC is located at x = -3.0 cm, and a second point charge of -13 µC is located at x = +4.0 cm. Where should a third charge of +6.0 µC be placed
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 22.1° below the horizontal. Find the car's position relative to the base of the cliff
A 7 kg fish is swimming at 1.8 m/s to the right. He swallows a 1.0 kg fish swimming toward him at 3 m/s. what is the velocity of the larger fish
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