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The jump took 2.5 s, and you cleared the canyon with 2 m to spare. If both sides of the canyon are the same altitude, how tall was the ramp?
An object of mass 3.00 kg, moving with an initial velocity of 5.00i m/s, collides with and sticks to an object of mass 2.00 kg with an initial velocity of -3.00j m/s. Find the final velocity of the
Would it be possible to detect on earth sounds produced on another planet if you had a detector sensitive enough to very low-intensity sounds?
In the Relativistic Heavy Ion Collider in Brookhaven, NY, physicists are attempting to recreate the conditions of the Big Bang by colliding extremely massive, highly-charged ions together.
One cubic meter of water flowing over Niagara Falls in New York drops 90.7 meters. If all the energy of the water is converted to heat, how much heat energy would the water have?
Suppose you throw someone a ball, thereby transporting kinetic energy. Could you consider the motion of the ball to be a mechanical wave pulse?
Consider a too-small space station that consists of a 3.6 m radius rotating sphere. A man standing inside is 2 m tall and his feet are at 1 g. What is the acceleration of his head?
A certain type of laser emits light that has a frequency of 7.3 × 1014 Hz. The light, however, occurs as a series of short pulses, each lasting for a time of 4.0 × 10-11 s.
A flying monkey tries to bomb you with a coconut by dropping it when he's directly above you. How high above the ground was the silly monkey when he dropped the coconut?
A room has dimensions 2.82 m (height) × 4.62 m × 6.66 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. (a) What is the magnitude of its displace
The four tires of an automobile are inflated to a gauge pressure of 2.10E+5 Pa. Each tire has an area of 0.0277 m2 in contact with the ground. Determine the weight of the automobile.
What physical quantities are conserved in this collision?
A tank of water sits at the edge of a table of height 1.0 m. The tank springs a very small leak at its base, and water sprays out a distance of 1.2 m from the edge of the table. What is the water l
What is the force applied over a period of time that is required to give a stationery object momentum called?
A rectangular conducting loop of wire is approximately half-way into a magnetic ?eld B (out of the page) and is free to move. Suppose the magnetic ?eld B begins to decrease rapidly in strength. Wha
Calculate the wavelength of the resulting wave on the cable. Hint: This is a two part problem where you have to use the length.
For the band structure shown in Figure at 77k, what value of delta E gives the same number of electrons in the direct conduction band minimum as in the indirect conduction band minimum? Eg=2.3ev. As
100 lb block of ice slides down a frictionless plane inclined 30 degrees from the horizontal. what is the resultant force on the block?
You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs (in metric units)?
The electric field 6.5 cm from a small object points toward the object with a strength of 180,000 N/C. What is the object's charge?
steel rail than through the air where the speed of sound is 344 m/s at 20 oC? Hint: Calculate the speed of the wave in the two media and then take the difference between the two times.
One piston of a hydraulic lift holds 1.40x103 kg.The other holds an ice block (density = 917 kg/m3) that is 0.076 m thick. Find the first piston's area.
The frequency of a tuning fork is 358 Hz. Find the length of the shortest organ pipe which will give 6 beats/s with the fork. The velocity of sound in air is 339.1 m/s.
A particle (mass = 2.0 mg, charge = -6.0 µC) moves in the positive direction along the x axis with a velocity of 3.0 km/s. It enters a magnetic field of (2.0i + 3.0j + 4.0k) mT. What is the a
At a amusement park you went on a ride that malfunctioned. What was the angular displacement of the ride after 1.5s with an angular speed of 2.65 X 10^4 rads/s.