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A wave has a wavelength of 45 meters and a period of 9.0 seconds. What is the frequency of the wave?
A hockey puck is given an initial speed of 29 m/s on a frozen pond. The puck remains on the ice and slides 114 m before coming to rest. The acceleration of gravity is 9.8 m/s2 . What is the coeffici
You pull your 55-kg freind on a 5kg sled across a patch of snow. You pull using a 48-N force on a rope that makes a 35 degree angle with the horizontal. If the friction force between the sled and th
If the initial velocity is 0.0 cm/s and the initial displacement is 2.0 cm, then what is the maximum kinetic energy of simple harmonic motion?
The orbit of this second satellite has a radius of 8.45 106 m. What is the orbital speed of the second satellite?
A skier of mass 61 kg is pulled up a slope by a motor-driven cable. How much work is required to pull him 45 m up a 30° slope (assumed frictionless) at a constant speed of 1.5 m/s?
Four point charges have the same magnitude of 2.18 10-12 C and are fixed to the corners of a square that is 3.95 cm on a side. Three of the charges are positive and one is negative. Determine the ma
Sunlight incident on a screen containing two long narrow slits 0.2mm apart casts a pattern on a white sheet of paper 2m beyond. What is the distance (in mm) separating the violet (lambda = 400nm) in
Two 210 kg (467 lb) masses are separated by a distance of 5 m. Using Newton's law of gravitation, find the magnitude of the gravitational force exerted by one mass on the other.
A bullet (mass = 15 grams, speed = 300 m/s) imbeds itself in a stationary block of wood (m=1500 grams). What is the final speed of the wood assuming no loss of material for either substance? How hig
A 17.0 kg projectile is fired at an angle of 60.0° above the horizontal and with a speed of 240 m/s. At the highest point of its trajectory the projectile explodes into two fragments with equal
The brick is found to be 20.73 cm long. If the rule and the brick are both at 80.00° C, what would be the length of the brick as measured by the rule?
A fisherman and his rowboat have a combined mass of 125 kg, standing in the back of the motionless boat in calm water, he tosses out a 5 kg rock from the back of the boat, with a velocity of 5 m/s.
If the plane takes 5.3 s to complete one loop, and the radius of the circular path is 11 m, what is the magnitude of the plane's centripetal acceleration?
A typical person radiates about 62 W of power at room temperature. Given this result, how long does it take for a person to radiate away the energy aquired by consuming a 230-calorie doughnut?
Consider an infant who weighs 100 newtons. During each year she grows so that each dimension of her body increases by 5%. How much will she weigh then? (Assume her density remains unchanged)
A cyclotron is designed to accelerate deuterium nuclei. (deuterium has one proton and neutron in its nucleus.) a) if the cyclotron uses a 2.0T magnetic field, at what frequency should the dee voltag
A cylindrical brass container with a base of 61.0 cm2. How much water overflows when the temperature of the water and the container is raised to 95.4° C?
A spring is hung vertically and a mass of .112kg is hung from the spring. the spring stretches a distance of .062m as a result. the same spring is then set on a table and compressed a distance of.0
All are at a temperature of 0°C. A piece of lead at 95°C is dropped into the cup, and the final equilibrium temperature is 12°C. What is the mass of the lead?
What is the smallest thickness of a soap film (n = 1.41) that would appear black if illuminated with 450 nm light? Assume there is air on both sides of the soap film.
A bicycle has wheels with a diameter of 0.590 m. It accelerates uniformly and the rate of rotation of its wheels increases from 183 rpm to 285 rpm in a time of 19.7 s. Find the linear (tangential)
A space traveler weighs 555 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice .
What is the velocity of the first log just before the lumberjack jumps off? (b) Determine the velocity of the second log if the lumberjack comes to rest on it.
A stone with a mass of 0.80 kg is attached to one end of a string 0.90 m long. The string will break if its tension exceeds 60.0 N. The stone is whirled in a horizontal circle on a frictionless tab