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The magnitude of the tidal force exerted on an object of mass m and length a is approximately 4GmMa/r3.
In this expression, M is the mass of the body causing the tidal force and r is the distance from the center of m to the center of M. Suppose you are 1.0×106mi away from a black hole whose mass is a 1.9×106 times that of the Sun. Estimate your mass to be 75kg and your length to be 1.9m .
PART A. Estimate the tidal force exerted on your body by the black hole.
PART B. At what distance will the tidal force be approximately 12 times greater than your weight?
A 9.0 cm diameter wire coil is at first oriented so that its plane is perpendicular to a magnetic field of 0.67 T pointing up. During the course of 0.30 s, the field is changed to one of 0.25 T pointing down. What is the average induced emf in coil.
The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm . You plan to tighten the plugs by pulling on the end of a 30-cm-long wrench. With what force must you pull
Three parallel plate capacitors are connected in series. These capacitors have identical geometries, determine the dielectric constant of the material with which it is filled
A bullet is fired vertically into a 1.3kg block of wood at rest directly above it. If the bullet has a mass of 29g and a speed of 470m/s, how high will the block rise after bullet becomes embedded in it.
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potential energy of the nucleus due to electrical forces
A structural I beam is made of iron. A view of its cross-section and its dimensions is shown in the figure, where d = 2 cm, w = 29 cm, h = 30 cm, How many atoms are there in this section
A radar for tracking aircraft broadcasts a 12.0GHzmicrowave beam from a 2.00m -diameter circular radar antenna, What is the diameter of the radar beam at a distance of 30.0km
The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.800, and the log has an acceleration of 0.800 m/s2. Find out the tension in the rope.
The magnitude of q is chosen to make the potential difference between spheres 430 V, with the inner sphere at higher potential. Compute q.
A worker on top of a radar tower 22.4 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground
Compute the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.10 m above the ground.
the half-life of a muon at rest is 1.52 us. One can store muons for a much longer time by accelerating them to a speed very close to that of light, How fast will the muons have to be moving
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