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A proton with an initial velocity of (1.0x + 2.0y+ 3.0z) xe5 m/s enters an magnetic field of 0.5zT. Find the radius of the resulting helix
A pendulum is made by tying a 550g ball to a 52.0cm -longstring. To what angle does the pendulum swing on the other side
a stell ball of mass m suspended by a thread of lenght l. the ball is then released when the thread is horizontal. at the bottom of this path, find the speed of the block just after collision
Using the electric field described in the alpha cannon simulation, suppose that an alpha particle is fired upward from a height y = 0 m, What is the horizontal distance traveled by the particle
a metal airplane flies horizontally at 200. m/s where the Earth's magnetic fiels is vertical and is 45.0uT. If the wingspan is 25.0 meters. what emf is induced across the wings
Water flowing through a garden hose of diameter 2.73 cm fills a 21.0-L bucket in 1.60 min. find the speed of the water leaving the end of the hose
A large storage tank, open to the atmosphere at the top and filled with water, Determine the speed at which the water leaves the hole
Two fun-loving otters are sliding toward each other on a muddy (and hence frictionless) horizontal surface. One of them, of mass 8.00kg, How much mechanical energy dissipates during this play
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the magnitude of the current in the bar
0.100kg stone rests on a frictionless, horizontal surface. A bullet of mass 9.00g , find the magnitude of Daniel's velocity after the collision
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the power supplied by the person pulling the bar
An object is moving along a straight line and the uncertainty in its position is 1.5 m. Find the minimum uncertainty in the momentum of the object
A baseball pitcher (m = 81 kg) is initially standing at rest on an extremely slippery, icy surface. What is the recoil velocity of the pitcher
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly ten months, how fast must you travel
Joe is moving through space at an unknown speed. His clock runs 4 minutes per hour slower than Jane's clock, How fast is Joe moving
A particle with a mass of 3.65×10?24 kg and a charge of 6.40×10?19 C starts at rest and is accelerated for a distance of 0.104 m through a uniform electric field having strength E = 7.25
A 4.98-kg pendulum bob, at a height of 0.720 m above the floor, is released and swings down to the ground, Find how high up the incline the block will slide
A 7.00×10-1 H coil with a resistance of 1.62×101 Ohm is in series with a 3.01×102 Ohm resistor. find the rms value of the potential difference across the resistor
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.67 kg·m2 and an angular velocity of +3.04 rad/s. What is the moment of inertia of disk B
The construction of a flat rectangular roof (5.15 m × 7.44 m) allows it to withstand a maximum net outward force of of 2.33 × 104 N. At what wind speed will this roof blow outward
A ship is floating on a lake. Its hold is the interior space beneath its deck; the hold is empty and is open to the atmosphere. What volume of water per second leaks into the ship
Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 2.0 cm, determine the absolute pressure of the water in the pipe
To verify her suspicion that a rock specimen is hollow, a geologist weighs the specimen in air and in water. What fraction of the specimen's apparent volume is solid
The reactance of a capacitor is 2.5 k? at a frequency of 1.5 kHz. What is the capacitance in nano-farads