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A photon has an energy equal to the kinetic energy of an electron with speed, u, which may be close to the speed of light, c. Calculate the ratio of the wavelength of the photon to the wavelength of t
A projectile is launched with an initial speed of40.0 m/s at an angle of 35.0° above the horizontal. What is the projectile's velocity at the highest point of its trajectory
A 10-turn square coil of wire lies in the xy-plane. A uniform magnetic field of magnitude 2.0 T oriented in the negative z-direction, what is the magnitude of the induced emf in the coil during this
A uniform electric field has a magnitude 330 N/C and is directed along the +y-axis. what is the change in potential energy for this charge
A 303 turn solenoid has a radius of 5.00 cm and a length of 22.0 cm. Find the inductance of the solenoid
We know that the acceleration due to gravity at the surface of the Earth is 9.8m/s2, There's one other domain, what's the value of gravity below the surface of the Earth
A convex mirror has a focal length of -39.0 cm. A 12.0 cm tall object is located 41.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the size of the image
Calculate the inductance of an LC circuit if the resonance frequency is 240 Hz. The capacitance is equal to 2.6e-05 F. Show your work
On a certain planet, a 10 kg rock has a gravitational potential energy of 1,056 J when it is resting on a cliff 12 m above the surface
The efficiency of a knife is 75%. If you push down on the knife with a force of 5 N to cut a piece of cake that is 6 cm thick, how much work is done on the cake
A charge of -16 x 10 ^-6 C , Q1, is fixed on x axis at 4 m and a charge of + 9x 10^-6, Q2, is fixed at +3 m on y axis Show E1 and E2 vector due to each charge, Calculate electric potential V at orig
A gear system uses 300 joules of energy to move a 20-newton mass 10 meters to the right. How much energy was converted to heat
A 5570kg open train car is rolling on frictionless rails at 23.6m/s when it starts pouring rain. What mass of water has collected in the car
If you move towards a pipe at a speed of 3.3m/s, what frequency will you hear from this organ pipe? speed of sound is 330m/s
Tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once again by Jane, What is Jane's (and the vine's) angular speed just before she grabs Tarzan
Only two forces act on an object (mass = 3.30 kg), as in the drawing. (F = 79.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object
A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 20° above the horizontal. What is the magnitude of the normal force
A mass m1 is hanging from a light cord which is strung over a pulley of moment of inertia I and radius R0, What are the tensions in each part of the light cord
A wooden block with mass 1.75kg is placed against a compressed spring at the bottom of a slope inclined at an angle of 33.0?, Calculate the amount of potential energy that was initially stored in the
A metal rod 0.72m long moves with a speed of 2.2m/s perpendicular to a magnetic field. what is the strength of the magnetic field
A certain spring is found not to obey Hooke's law; it exerts a restoring force Fx(x)=??x??x2 if it is stretched or compressed, Calculate the potential energy function U(x) for this spring. Let U=0 whe
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 0.900m/s, What is the frequency and amplitude of the wave
The lightbulb in the circuit shown in the figure(Figure 1) has a resistance of 14? and consumes 9.7W of power, find speed of the rod
A ball is thrown in the air at an initial angle 35 degrees above the horizontal. It takes 4 seconds for the ball to hit the ground
Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to produce mechanical work. How much work is done by such proteins