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A 10.5 kg monkey starts to climb along rope to reach a banana located at a height of 6.50 m. The ropewill snap if the tension exceeds 115.5 N. Calculate the leastamount of time the monkey could take to reach the banana withoutbreaking the rope.
A ball is dropped from a height of 4 m and makes an elastic collision with the ground. Assume that no mechanical energy is lost to air resistance. Is the motion simple harmonic
At rest, a car's horn sounds at a frequency of 480 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 470 Hz. What is the speed of the car?
one mole of the carbon-12 isotope contains 6.022 times 1023 atoms. what volume in m3 would be needed to store one mole
Two soccer players start from rest, 45 m apart. They run directly toward each other, both players accelerating. How much time passes before the players collide
A 100g wire is held under a tension of 250N with one end at x = 0 and other x = 10m. At time t = 0, pulse 1 is sent along the wire from the end at x = 10 m. At time t = 30 ms, pulse 2 is sent along the wire from the x = 0. At what position x do the..
A typical red blood cell subtends an angle of only 1.7×10?5rad when viewed at a person's near-point distance of 25 cm. find the magnitude of the angle subtended by the red blood cell
a 60-w light bulb emits spherical electromagnetic waves uniformly in all directions. if 50 of the power input to such a
q1. a ball in flight is recorded and analyzed using digital video analysis software. the analysis produced the result
Consider an ideal gas at 28.9°C and 0.96 atm pressure. To get some idea how close these molecules are to each other, on the average, imagine them to be uniformly spaced,
Draw a circuit for two resistors R1 and R2 in series, in parallel with a third resistor R3 in series with a capacitor C1. What will be the time constant of voltage decay
A gas is compressed adiabatically by a constant force of 10 N that acts over a 0.5 m distance. What is the change in the internal energy of the gas
1.an aluminum sphere is 5.50 cm in radius. what is its volume expansion coefficient if it increases in volume 2.00 cm3
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