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A fox fleeing from a hunter encounters a 0.795 m tall fence and attempts to jump it. The fox jumps with an initial velocity of 7.95 m/s at an angle of 45.0°, beginning the jump 2.12 m from the fence. By how much does the fox clear the fence? Treat the fox as a particle.
A 55kg pole vaulter running at 10m/s vaults over the bar. If the vaulter's horizontal component of velocity over the bar is 1.10m/s and air resistance is disregarded, how high was jump.
A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 39 degrees in a material, find thev refracted angle (in degrees) in that material
A certain ac signal at 1000 Hz is applied across an inductor and a 100-ohm resistor. If the power factor of the circuit is 0.4, what is the impedance of the circuit
A spring with spring constant 12.5 hangs from the ceiling. A 400 ball is attached to the spring and allowed to come to rest. It is then pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57.0 ..
An object with mass m1=%.00kg rests on a frictionless horizontal table and is connected to a table that passes over a pulley and is then fastened to a hanging object with mass m2=10.0kg. Find out the acceleration of each object and the tension cab..
The Sun radiates energy at a rate of about 4×1026W. At what rate is the Sun's mass decreasing
A photon whose energy is 1.3 x 10^-14 J is scattered off an electron at an angle of 50 degrees
A force F = 200i - 400j + FZ k N, is acting through point A(0,0,0) m. If F creates a moment component of -3000 Nm in the direction of a line passing from point B (2,4,5) m to point C(-3,6,8) m
Briefly describe how the resulting interference pattern will differ for the various types of particles passing through: protons, electrons, neutrinos (mass close to zero) and photons. Assume that the distribution of particle energies is the same f..
A series ac circuit is shown. The inductor has a reactance of 80 Omega and an inductance of 200 mH. A 90- Omega resistor and a capacitor whose reactance is 130 Omega , are also in circuit. The rms current in the circuit is 1.3A. What is the phase ..
Consider a region of space with volume 32 mm3. Suppose the energy stored in the electric field of that particular region of space is 87 J. evaluate the average electric field strength in this region
Two radio antennas operating at 6.00 Mhz are separated by 120.0m along a North-South line. Find the directions on the compass in which no radiation is sent out
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