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Bone consists of a Young's modulus of around 1.80 x 1010 Pa. Under compression, it can withstand a stress of around 1.55 x 108 Pa before breaking. Suppose that a femur (thigh-bone) is 0.60 m long, a
Determine the velocity of the ball just before it collides with the 1.0kg block? (Should use work-energy theorem to explain)
If Mk is 0.06, compute the final velocity of a particle which begins from rest at the top of the plane and ends at the bottom.
Is the magnitude of cart A of final momentum greater, less than, or equivalent to the magnitude of the final momentum of cart B? Describe.
Throughout this time, will the marble spin in the horizontal circle, at constant height, or will it spiral down within the tube? Verify your answer. Take coefficient of static friction to be 0.8.
A cylinder of 3.0 kg, 14 cm radius, primarily at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped about it and pulled with a force of 18 N. (i) Determine
Find out the energy needed to accelerate an electron between each of the given speeds. (i) 0.500c to 0.875c (ii) 0.875c to 0.975c
A particle having charge q and mass m, moving with the constant speed v, perpendicular to a constant magnetic field B, pursues a circular path.
A proton moves having a speed of 0.940c. (i) Compute its rest energy. (ii) Compute its net energy. (iii) Compute its kinetic energy.
Determine the change in classical momentum of an electron which accelerates from 0.888c to 0.944c, avoiding relativistic effects.
A deep-space probe moves away from the Earth with a speed of 0.74c. An antenna on the probe needs 3.0 s, in probe time; to rotate via 1.0 rev. Determine how much time is needed for 1.0 rev according
A super-train of appropriate length of 96 m travels at a speed of 0.94c as it passes via a tunnel encompassing proper length 50 m. As seen by a track-side observer, is the train ever totally in the
Signals produced by the astronaut's pulse are radioed to Earth when the vehicle is moving perpendicularly to a line that joins the vehicle with the Earth observer. i) Determine the pulse rate which
The astronaut at rest on Earth has a heartbeat rate of 72 beats per minute. If the astronaut is traveling in a spaceship at 0.90c, then what will the rate be as measured by the given:
The two collide and stick altogether. i) Find out the initial momentum of the system made by the two pucks (direction, magnitude and units).
Determine, at what speed does a clock move with respect to an observer which measures it to run at three-fifths the rate of the identical clock at rest with respect to the observer?
A ring, uniformly charged of radius 10 cm consists of a net charge of 90.0μC. Determine the electric field on the axis of the ring at 5.00 cm from the center of the ring.
Air resistance is very small. (i) Determine the speed of the rock if the string passes via the vertical position?
Find out the rms value of the potential difference across the resistor? Determine the peak value of the potential difference across the coil?
A plane electromagnetic wave, having wavelength of 1.8 m, travels in the vacuum in positive direction of an x axis. The electric field having amplitude 370 V/m, oscillates parallel to the y-axis.
A constant vertical force of around 77 N is exerted to the lower block which accelerates both blocks vertically upwards at 1.19m/s^2 , when the magnitude of the contact force among the blocks is 44
The candle is located 17.0 cm in front of the convex mirror. If the convex mirror is substituted with a plane mirror, the image moves 8.0 cm farther away from the mirror. Determine the focal length
A concave makeup mirror is framed so the virtual image it generates is four times the size of the object if the distance between the object and the mirror is 11.5 cm. Determine the radius of curvatu
A player of basketball of height 2.3 m is standing 2.2 m in front of the convex spherical mirror of radius of curvature 5.0 m. Find out the size of the image. (Answer must in meters)
A 5.0 kg object undergoes the acceleration of 1.5 m/s2. (i) Determine the magnitude of the resulting force acting on it?