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By using 2.30 x 1017 kg/m3 as the density of nuclear matter, determine the radius of a sphere of such matter which would encompass a mass equivalent to that of Earth. Earth consists of a mass equiv
A radio station is permitted to broadcast at an average power not to surpass 30 kW. If electric field amplitude of 0.024 V/m is considered to be acceptable for receiving the radio transmission, appr
An object of 2.0 cm high is positioned 15.0 cm in front of a concave mirror which consists of a radius of curvature of 10.0 cm. By using a ray diagram, evaluate:
In an EM wave traveling west, the B field oscillates vertically and consists of a frequency of 82.5 kHz and rms strength of 7.75 x 10-9 T. Determine the frequency and rms strength of the electric fie
(i) Compute the net energy received by the antenna throughout 5.0 hours of viewing this station's programs. (ii) Determine the amplitudes of the E and B fields of the EM wave?
If a current ‘I’ flow via a resistance R, the heat energy dissipated per second is the average value of RI2. Assume that a periodic (not sinusoidal) current, I(t) be expanded into a Four
Supposing the origin is positioned where the bullet starts to move, the force applied on the bullet by the expanding gas is F = a + b x - c x2, where a = 18800 N, b = 5090 N/m, c = 14300 N/m2, with
A person decides to utilize an old pair of eyeglasses to make some optical instruments. He recognizes that the near point in his left eye is 54.0 cm and the near point in his right eye is 94 cm. (i
Let, consider a 1.8 m tall man standing vertically in water and totally submerged in a pool. Find out the difference between the pressures acting at the head and toes of the man in kPa.
Determine the magnitude of the induced emf among the tips of the wings?
When a 2.0 L nickel reaction container (glass can’t be employed as it reacts with HF) filled with 0.0063 M H2 is joined to a 3.5 L vessel filled with 0.033 M F2. The equilibrium constant, Kp, i
Determine the potential energy of the system of the three charges when q3 is positioned at x = + 10.0 cm?
Determine what should be the tension (to the nearest Newton) in Wire 1 if its third harmonic is to equivalent the first overtone of Wire 2?
The two charged spherical conductors R1 = 6cm and R2 = 2cm, are separated by a distance much greater than 6 cm and are joined by a long thin conducting wire. A net charge of Q = +80 nC is positioned
A room-temperature puck re-bounds 16.4 cm if dropped onto a wooden surface from 101.0 cm. When a frozen puck has just half the coefficient of restitution of a room-temperature one, predict how high
The strength of electric field is around 5.00 × 104 within a parallel-plate capacitor with 1.90 spacing. The proton is released from rest at the positive plate. Determine the speed of proton i
The block is primarily suspending vertically on a 75 cm long piece of string. After the ball hits the block, the block then move to and fro at an angle of 36 degree from the vertical. i) Determine
If the student lets go of the mass, the spring uncompressed and shoots the mass away from it. i) Determine how fast does the mass leave the spring?
When the car is moving at the maximum speed possible devoid of slipping, determine the coefficient of static friction among the car’s tires and the road.
(i) Determine what fraction of the mechanical energy is lost each time it bounces? (ii) Determine the coefficient of restitution of the ball-floor system?
If the hanging mass reaches 12.7 kilograms, the box begins to slide. Determine the coefficient of static friction among the box and the loft?
Compute the minimum index of refraction of a 2-D corner-cube reflector in such a way that it retro-reflects (at least some) light incident on the face from any angle.
When the ball is dropped from a height of around 3.3 m and rebounds to a height of 2.3 m, determine the coefficient of the restitution?
A speedboat moving at around 35.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat having a constant acceleration of -3.15 m/s2 by decreasing the throttle. (i) Determine ho
A steel rod having length 1.0000 m and cross-sectional area of 5.97 x 10-4m2 is positioned snugly against the two immobile end points. The rod is primarily positioned when the temperature is 0°C