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An object is released from an aeroplane which is diving at an angle of 30 from the horizontal with a speed of 50m/s. If the plane is at a height of 4000m from the ground when the object is released, find the velocity of the object when it hits the ground.
Gasoline's thermal expansion coefficient is 9.5 x 10^-4(degree C^-1). A truck's 110 gallon (416.4 L) gas tank is full on a 14 degree C summer morning. How much gasoline spills from the tank due to thermal expansion
While standing atop a building 50.7 m tall, you spot a friend standing on a street corner. Using a protractor and a dangling plumb bob, How far away from the foot of the building is your friend
The magnitude and direction of acceleration of body both are constant will the body moves in straight line
An object with total mass mtotal = 15.6 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.8 kg moves up, What is the mass of the third piece
A 25.0-kg box is released from rest on a rough inclined plane tilted at an angle of 33.5e to the horizontal. Determine the force of kinetic friction acting on the box
A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. How much work is done on the astronaut by the force from the helicopter
A 500 g block slides along a frictionless surface at a speed of 0.35m/s .it runs into a horizontal mass less spring with spring constant 50N/m that extends outward from a wall.
Consider a Universe where matter density is 0, and it has a significant cosmological constant. How old is the Universe in this case
A 340-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 28° with the horizontal. What is the angular speed of the sphere
One cubic meter of water flowing over Niagara Falls in New York drops 92.8 meters. how much heat energy would the water have
aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all frictional forces are neglected and the cart starts from rest, illustrate what is the grocery cart's final speed?
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 115, Find the maximum speed that the car can have without slipping
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