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Suppose a block with mass 2.30kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.420. Find the maximum static friction force that acts on the block.
A spring with a spring constant k of 18 N/m is stretched a distance of 12 cm (0.12 m) from its original unstretched position
A typical power plant uses some fuel as the source of heat (QH) to drive a heat engine that does work (W) to drive a generator that is connected to the electrical grid.What is rate of flow and How d
A hot air balloon is a bit like a bubble in water. It rises in air when the mass of relatively cool surrounding air displaced by the balloon is greater than the mass of the balloon, What is the buoy
The drawing (not to scale) shows one alignment of the sun, earth, and moon. find the magnitude of the net gravitational force on the moon
A stone is thrown off of a cliff top with a velocity of 9.5 m/s at a 30 degree angle below the horizontal. What is the stones total speed at that point
In a rectangular coordinate system, a positive point charge q= 4.50 nC is placed at the point x= 0.170 m, y=0, Find the direction of the electric field from the positive x axis.
The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. What is the mass of the apple
The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. What is the weight of the apple on the Moon
In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that , What is the new range
As part of a circuit act, a person drives a motorcycle with constant speed v around the inside of a vertical track of radius r. find the normal force exerted on the motorcycle by the track
An ideal gas initially at pressure 8.0 atm and temperature 300K expands adiabatically until its volume doubles. Find the final pressure and temperature
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 671 m/s. compute the horizontal distance between the end of the rifle
A neutral (uncharged) capacitor has a charge of -3.00C moved from one of the plates to the other in a time of 5.00 sec, What was the average current
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. How close are the two charges
As a tennis ball is struck, it departs from the racket horizontally with a speed of 27.3 m/s. How far above the court is the tennis ball
An airplane with a speed of 73.2 m/s is climbing upward at an angle of 40° counterclockwise from the positive x axis. Calculate the distance along the ground
A train 450 m long is moving on a straight track with a speed of 82.1 km/h. determine how long the train blocked the crossing
Runner A is initially 8.0 mi west of a flagpole and is running with a constant velocity of 6.0 mi/h due east. How far are the runners from the flagpole
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. What was the change in the potential energy of this charge
A car travels along a straight line at a constant speed of 58.5 mi/h for a distance d and then another distance d in the same direction at another constant speed. What is the average speed for this
A copper rod hangs vertically from a fixed support. The rod is 1.55 m long and 1.55 mm in diameter. how far does the rod stretch
The minute hand of a wall clock measures14 cmfrom its tip to the axis about which it rotates. find angle from a quarter after the hour to half past
Does current through a power supply increase when parallel bulbs are added? what is the current through the power source
The edge of the thimble of a micrometer moves a distance of 2.0 mm when it is given four complete revolutions. Find the pitch of the micrometer