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A water balloon is thrown horizontally at a speed of 2.0 m/s from the roof of a building that is 6.00 m above the ground. At the same instant the balloon is released, a second balloon is thrown straight down at 2.0 m/s from the same height. Determine which balloon hits first and how much sooner it hits the ground than the other balloon.
Green light at 532 nm lights a diffraction grating with 800 lines per cm. Diffraction pattern is on screen 7.5m away. Calculate distance between the diffraction peaks on the screen
The equation of a transverse wave traveling in a string is given by y=A sin(k x??t). The tension in the string is 18.0 N, A = 1 mm, k = 22 rad/m, ? = 325 rad/s. What is the linear density of the string. I have the speed of the wave but i cant get ..
A spring of spring constant 11,000N/M is compressed by a block of mass 3kg is released from rest at the top of the incline plane. how far has the block moved down the incline
The same voltage is applied between the plates of two different capacitors. When used with capacitor A, this voltage causes the capacitor to store 12 C of charge and 6.1 x10-5 J of energy.
Consider a theoretical head-on collision between two carts of equal mass and equal speed. What is the total momentum after the collision
a car traveling due east at 20 m/s reverses its direction over a period of 10 seconds so that it is traveling due west at 20 m/s. find the direction of the car's average acceleration
A dolphin wants to swim directly back to its home bay, which is 0.760 km due west. It can swim at a speed of 4.23 m/s relative to the water, but a uniform water current flows with speed 2.92 m/s in the southeast direction. What direction should th..
Planet Z is 1.00x10^4 km in diameter. The free fall acceleration on Planet Z is 5.00 m/s^2. What is the free fall acceleration
A motor boat haeds due east at 5 m/s acorss a river that flows toward the south at 5 m/s. If the river is 125m wide, how longs does it take the boat to cross the river.
The top of a tower much like the leaning bell tower at Pisa, Italy, moves toward the south at an average rate of 1.4 mm/y, what is the average angular speed of the tower's top about its base
A freezer of resistance 14.5ohms is connected to a 110V source. What is the power delivered when this freezer is on
An observation satellite orbits the planet at a height of 1000. What is the projectile's speed as it passes the satellite
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