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In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0255 kg and the mass of the pendulum is 0.250 kg, how high will the pendulum swing if the marble has an initial speed of 5.55 m/s? Assume that the mass of the pendulum is concentrated at its end so that linear momentum is conserved during this collision.
An elevator has a downward acceleration of 1 m/s2. A person, having a weight of 800 N as measured by a scale at rest on the ground, steps on a scale in the elevator. What does the scale read? A) 0 N. B) Approximately 80 N. C) Between 80 N and 800 ..
The Earth's magnetic field is essentially that of a magneticdipole. If the field near the North Pole is about 1.0*10^-4T, what will it be (approximately) 13,000 Km above the surface atthe North Pole?
what will be the height h of the highest point reached by the skateboarder on the right side of the ramp.
A 103.29 cm-long steel string with a linear density of 2.56 g/m is under 240.31 N tension. What is the wavelength of the sound wave that reaches your ear in a 11.65oC room
A sphere of radius 10.0 cm floats in equilibrium partially submerged in water with it's lowest point 5.00cm below the water's surface. What is the buoyant force acting on the sphere
How many photons per second are emitted by a monochromatic lightbulb (640 ) that emits 45 of power If you stand 15 from this bulb, how many photons enter each of your eyes per second? Assume your pupil is 5.0 in diameter and that the bulb radiates un..
You are a professional frontier re-enactor who specializes in making lead shot. To do this you put 1.3 kg of ice into 1.3 kg of water, both at 0 C, into an insulated bucket.
a spool of thin wire pivots on a frictionless shaft. the wire is pulled by a hanging mass m of 1.30 kg. calculate the
Suppose you added to the single slit an identical slit a distance d=0.25mm away from the first. What happens in the limit that d becomes arbitrarily large
Important information about Physics - Mechanics A satellite of mass 205 kg is launched from a site on the Earth's Equator into an orbit at 175 km above the surface of Earth.
A commuter airplane starts from an airport and takes the routeshown in fig. p3.13. the plane first flies to city A, located 275km away in a direction 30.0 degrees north of east. Next it fliesfor 170.0 km in a direction of 20.0 degrees west of nort..
In emergencies the train can decelerate more rapidly, coming to rest from 80.0 km/h in 8.30 s. What is its emergency deceleration in m/s2
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