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A photographer in a helicopter ascending vertically at a constant rate of 10.5m/s accidentally drops a camera out of a window when the helicopter is60.0m above the ground. (a) How long will the camera take to reach the ground? (b) What will its speed be when it hits?
An artillery shell is fired with an initial velocity of 300 m/s at62.0° above the horizontal. Toclear an avalanche, it explodes on a mountainside 41.5 s after firing. What are the x andy coordinates of the shell where it explodes, relative toits firi..
12 Gallons per minute of water flows through a heater and must be raised from 20 to 90 Celcius. Calulate the rate of heat supplied
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
A car travels at a speed of 29 m/s around a curve of radius 67 m. What is the net centripetal force required to keep the car from skidding sideway.
A person of mass 75 kg stands at the center of a rotating merry-go-round platform of radius 3.1 m and moment of inertia 1300 kg ·m2. Calculate the angular velocity when the person reaches the edge
Over the next several weeks, Frank never saw any of the industry's logo items being worn or used by the workers. Instead the workers were uncommunicative towards him and at times even hostile
Three 3.0 mC charges are at the three concerns of a square 0.50m on a side. The Last concern is occupied by a -3.0mC charge
A rotating wheel requires 5.00 s to rotate 26.0 revolutions. What is the constant angular acceleration (in rad/s) of the wheel
The three-toed sloth is the slowest moving land mammal. On the ground, the sloth moves at an average speed of 0.035 m/s, how much further would the tortoise have gone relative to the sloth
On sept 8 2004 the genesis spacecraft crashed because the parachutedid not open. The 210kg capsule hit the ground at 311km/h and penitrated the ground to a depth of 81cm. what force did the ground exert on the capsule
a hollow metal sphere has 7cm and 11cm inner and outer radii respectively. the surface charge density on the inside
an atom with mass m emits a photon of wavelength a.a what is the recoil speed of the atom?b what is the kinetic energy
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