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Two capacitors, of 3.2 and 4.8?F capacitance, are connected in parallel across a 300 V potential difference. Calculate the total energy stored in the capacitors
A light plane is headed due south with a speed of 190km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 137km, What is the wind velocity (magnitude)
You are told that the linear "drag coefficient" due to air resistance for a particular object is 0.32 N · s/m, Find the magnitude of the terminal velocity of this object when dropped from rest
On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s, What are the magnitude and direction of the velocity of the red glider after the collisio
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg, What is the total kinetic energy of the two blocks after the collision
The experiment done in lab is repeated, using a ball that has unknown mass m. You plot your data in the form of f?2 versus M/L, calculate the mass m of the ball
a motor starts from rest with an angular acceleration of 12. rad/s ^2 what is the motor angular speed 4.0s later? how many revolutions does it make in this period of time
During a golf drive, the angular velocity of the driver is 20 rad/s just before impact with the golf ball. If the distance from the club head to the axis of rotation is 2.0 m
A proton, an electron, and an alpha particle (of charge +2e) form an equilateral triangle of side length 2.19×10-10 m. What is the electric potential energy of the three-particle system
Electrons in a television's CRT are accelerated from rest by an electric field through a potential difference of 2.9 kV, What is the speed of the electrons
A passenger in a roller coaster ride experienced weightless when s/he was at the top of the loop. If the loop has radius 16.0 m, what is the linear speed at the top
Two very large parallel plates are oppositely and uniformly charged. The field between the plates is 1.7×106N/C, How much total charge is on each plate if they are 18.0cm on a side
A particle of mass 2.4x10^-5kg and charge 3.0x10^-6C is accelerated from rest in a uniform electric field of 180 N/C. Find its acceleration in the electric field
A 5 kg mass is attached to a 1-m long string. If the speed of the mass at the bottom of the swing is 3 m/s, what it the force in the string at this point
two charges, q1 and q2 are present on a normal coordinate system ,point A is located at the orgin, q1 has a charge of 1.11 nC, what is the electric potential at point A
A bullet of mass 10g and speed 500 m/s is fiered into a door and gets embeded exactly at the centre of the door, Calculate the angular speed of the door just after the bullet embeds into it
A uniform disk of mass 7.00m and radius 7.00r can rotate freely about its fixed center like a merry-go-round, What is the ratio K/K0 of the new kinetic energy of the two-disk system to the system's in
A sinusoidal wave traveling in the positive x-direction has an amplitude of 15cm, a wavelength of 40cm, Write down the wave function for a left traveling wave with the same parameters
A uniform cylinder of radius 11 cm and mass 24 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 4.6 cm, What is the rotational inertia of the cylinder about the ax
Find the closest distance an alpha particle of kinetic energy 5.0MeV can approach a bare gold nucleus, What is its kinetic energy in eV when it is expelled to infinity
A kid slides down from the top of a 3m high frictionless slide. When he reaches the bottom of the slide, he travels over a 2m long carpet with a 0.20 coefficient of kinetic friction, What height doe
Two football players go to kick a ball at the same time. One kicks it with a velocity of 25ms-1 at an angle of 12o to the horizontal, What is the resultant velocity of the
a 1000kg car experiences a total power of 150hp (horsepower) if it starts from rest what is the magnitude of the velocity of the car in miles per hour 10s later
A 2.50 nF parallel plate capacitor has a 1.60 mm air gap between the plates. The voltage difference between the capacitor plates is 365 V, Find the electric field magnitude between the plates
Four point charges are located at the corners of a square measuring 50.0 cm on each side. Three of the charges are -2.00 uC each and the fourth is -5.00 uC, Find the potential energy of the system