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A circular loop of radius 24.9 cm is located in the plane of the paper inside a homogeneous magnetic field of 0.280 T pointing into the paper. Calculate the current induced in the loop during that ti
A 170g mass attached to a horizontal spring oscillates at a frequency of 3.70Hz, Determine Amplitude and Phase Constant
Two indentical spaceships are travelling in the same direction. an observer on earth measure the first to have a speed of 0.80c, determine the speed of second spaceship
A parallel plate capacitor has plates of area A and seperation of d and is charged to a potential difference of V.Derive expressions for the new potential difference
A hydrogen atom in a state having a binding energy (the energy required to remove an electron) of 0.544 eV makes a transition to a state, What is the energy of the photon emitted as a result of the t
The image of a very distant car is located 18 cm behind a convex mirror. What is the radius of curvature of the mirror
Suppose that an electron trapped in a one-dimensional infinite well of width 322 pm is excited from its first excited state to the state with n = 5. What energy (in eV) must be transferred to the el
If 70% of a radioactive sample has decayed in 5.0 x 103 years, what is the decay constant of the material
A bottle has a mass of 28.60g when empty and 92.15gwhen filled with water. What is the specific gravity of this other fluid
The position of an object connected to a spring varies with time according to the expression x = (5.4 cm) sin(9.3?t). Find the frequency of the motion
Calculate the probability of finding the electron in the ground state of hydrogen at less than one Bohr radius from the nucleus
A flying wedge spaceship is a right triangle in side view. At rest, the base and height (which form the 90° angle) measure 8.9 m, calculate the angle of the triangular nose to be
The rotor (flywheel) of a toy gyroscope has mass 0.140 kg. Its moment of inertia about its axis is The mass of the frame is 0.0250 kg. Find the upward force exerted by the pivot
At the equator, the earth's field is essentially horizontal; near the north pole, it is nearly vertical. What current should you pass through the coil, to produce a net field in the center of the tank
The doctors planning a radiation therapy treatment have determined that a 50g tumor needs to receive 0.21J, What is the dose in gray
The technique known as potassium-argon dating is used to date old lava flows. The potassium isotope 40K has a 1.28 billion year half-life, What is the age of the rock
Two waves of the same frequency have amplitudes 1.31 and 2.94. What is the resultant amplitude
The moment of inertia about the axis of rotation of the remainder of his body is constant and equal to 0.450kg?m2. If the skater's original angular speed is 0.450rev/s, What is his final angular spe
An unstable particle is at rest and suddenly decays into two fragments. No external forces act on the particle or its fragments. What is the speed of the less massive fragment
A hollow, thin-walled sphere of mass 12.0kg and diameter 47.0cm is rotating about an axle through its center. At the time 4.00s , find the angular momentum of the sphere
A playground merry-go-round has radius 2.90m and moment of inertia 2500kg?m2 about a vertical axle through its center, and it turns with negligible friction. How much work did the child do on the me
A 0.500-kg mass on a spring has velocity as a function of timegiven by vx(t) = (3.60cm/s) sin[(4.71s-1)t -?/2]. compute the force constant of the spring
Water flowing through a 1.7cm -diameter pipe can fill a 100L bathtub in 5.3min. compute the speed of the water in the pipe
Particles pass through a single slit of width 2.3 mm, use the Heisenberg uncertainty principle to determine the minimum range of angles
Two converging lenses, each of focal length 14.2 cm, are placed 59.9 cm apart, and an object is placed 26.6 cm in front of the first. determine the magnification of the system