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A proton having kinetic energy 1.0x10^7 eV moves in the circular orbit in the magnetic field near the Earth. The strength of the field is around 5.0x10^-5 T. Determine the radius of the orbit?
A bullet having mass m1 is fired with a speed v to the bob of the ballistic pendulum of mass m2. The bob is joined to a very light rod of length L which is pivoted at the other end.
A bullet of 19 g is fired into the bob of a ballistic pendulum having mass 1.8 kg. If the bob is at its utmost height, the strings form an angle of around 60° with the vertical. The length of th
A proton which consists of a mass m and is moving at around 350 m/s in the positive angle direction experiences a head-on elastic collision having a stationary nitrogen nucleus of mass 14m. Determin
A billiard ball (ball: 1) moving at 5 m/s hits a stationary ball (ball: 2) of the similar mass. After the collision, ball: 1 move at a speed of around 4.35 m/s. Determine the speed of ball: 2 after
Determine the value of the spring constant k for the spring and shock absorber system of one wheel.
The Eiffel Tower is around 300 m tall. If you are standing at a specific place in Paris, it subtends an angle of 6.8°. Determine how far are you, then, from the Eiffel Tower?
A cyclist from rest accelerates at a rate of 1.00 m/s2. Determine how fast will a point on the rim of the tire having diameter of 68 cm at the top be moving after 2.4 s?
Digestive system, what are the main functions of saliva
An emf of around 10 V is exerted to a coil having an inductance of 40 mH and a resistance of 0.50. Determine how long does it take for the current to arrive at one half of the maximum value?
Employ Hubble law to compute the expected recession speed of this galaxy and at what wavelength would you anticipate to determine the Hα (H alpha) line from hydrogen gas in the galaxy? Please
The two particles, each of mass 9.00 kg and speed 8.96 m/s, travel in the opposite directions all along parallel lines separated through a distance 7.36 m. Determine the magnitude of L, the angular
An object of 6.0 kg, primarily at rest in free space, ‘explodes’ into the three segments of equivalent mass. The two of such segments are observed to be moving with equivalent speeds of
Compute the focal length of a thin meniscus lens whose spherical surfaces encompass radii of curvature of magnitude 5 and 10 cm. The glass is of index 1.50.
A stone held just below the surface of a swimming pool is released and sinks to the bottom at a constant speed of around 0.38 m/s. Determine the apparent speed of the stone, as viewed from directly
Determine the moment of inertia for a solid cylinder having mass M, radius R; and length L around an axis perpendicular to the rod that passes via the center of the rod.
A battery having 14.3 V emf consists of a terminal voltage of 9.5 V, if it delivers a current of 6.6 A to the starter of a car. Determine the internal resistance of the battery?
When the index of refraction differs from 1.4920 (blue light) to 1.4742 (red), then what will be the angle between the red and the blue light?
A bat releases ultrasonic pulses and employs them to navigate and to locate flying insects. When these pulses are sent at a rate of 5 per second, determine the maximum distance a reflecting object c
A nylon string on the tennis racket is beneath a tension of 240 N. When its diameter is 0.93 mm, determine by how much is it lengthened from the un-tensioned length of 29.2 cm?
When the combination is joined to a 67 Hz, 125 V line, and when the voltage across the lamp is to be 46.2 V, determine the current in the circuit? (The lamp is to be a pure resistive load.)
By what distance will the rod compress the concrete if the original tension in the rod is free?
When the ball is free from rest at a height of 0.84 m above the bottom of the track on the no-slip side, determine its angular speed if it is on the frictionless side of the track? Suppose that the
A sled and rider having a combined weight of 69 kg are at rest on the top of a hill 30 m high. (i) Determine their net energy at the top of the hill?