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A block is launched up a frictionless ramp that makes an angle of 35 degree to the horizontal. If the block's initial speed is 2.2 m/s, determine how far up the ramp does it slide (hint: use inclined plane downhill acceleration and equations of kinematics).
the pressure in each of your car tires is 2.10 multiply.gif 105 pa. the mass of your car is 1700 kg. assuming that each
A bobsled slides down an ice track starting (at zero initial speed) from the top of a 53.9 meter high hill. The acceleration of gravity is 9.8 m/s^2. calculate the bobsled speed at the bottom of the hill
a 250-kg motorcycle goes around an unbanked turn of radius 13.7m at a steady 96.5 km/h. What is the magnitude of the net force on the motorcycle?
On a frictionless horizontal surface, a 1.50 kg mass travelingat 3.50 m/s collides with and sticks to a 3.00 kg mass that isinitially at rest. How much mechanical energy is lost during this process
A circuit contains six 205 ohm lamps with 60 W bulbs and a 9 ohm heater connected in parallel. voltage across the circuit is 120 V.what is the current in the circuit when four lamps are turned on.
A running man has half the kinetic energy that a boy of half hismass has. What were the original speeds of man and boy
Calculate the critical angles for the following materials when surrounded by air. Assume that ? = 589 nm
An 80 kg skier starts down a flat slope that makes a 16 degree angle, with respect to the horizontal. at what speed is the skier moving at an altitude of 4100 ft
A pendulum is made by letting a 2.0-kg object swing at the end of a string that has length of 2.0 m. What is the speed of the object at the lowest point in its swing
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, What is the change in the Helmholtz potential
A proton moves perpendicular to a uniform magnetic field B at a speed of 1.10 107 m/s, evaluate the magnitude and direction of the field
A person's body is covered with 1.8 m2 of wool clothing. How much heat per second does the person lose due to conduction
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