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The ball is launched at a speed of 43 m/s at an angle of 38° above the horizontal. When the ball lands, it is at the same level as the tee. (a) On the distant planet, what is the maximum height
A golf ball rolls off a horizontal cliff with an initial speed of 13.0 m/s. The ball falls a vertical distance of 13.0 m into a lake below. What is the speed v of the ball just before it strikes the
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." If the ball is kicked with an initial velocity of 25.0 m/s at an angle of 61.0° above t
If the ramp is inclined at 23.5° with respect to the ground, what is the component of her acceleration that is parallel to the ground?
There is one point (x, y) on the line connecting these two charges where the potential is zero. Find the coordinates of this point.
A jetliner is moving at a speed of 315 m/s. The vertical component of the plane's velocity is 31.1 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
The coefficient of static friction between the box and the board is µs = 0.379, and the coefficient of kinetic friction is µk = 0.303. The angle of the board is increased slowly, until t
An airplane flies 200 km due west from city A to city B and then 285 km in the direction of 32.5° north of west from city B to city C. (a) In straight-line distance, how far is city C from city
A 60- driver gets into an empty taptap to start the day's work. The springs compress 0.02 . What is the effective spring constant of the spring system in the taptap?
A cannon barrel is elevated at an angle of 45°. It fires a ball with a speed of 346 m/s. (For the following questions, ignore air resistance.) (a) What height does the ball reach?
A block of mass 21.1 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 4.15 m/s2. What is the speed of the block after i
While walking between gates at an airport, you notice a child running along a moving walkway. Estimating that the child runs at a constant speed of 2.9 m/s relative to the surface of the walkway, yo
A huge 5.0 F capacitor has enough stored energy to heat 2.5kg of water from 11C to 95C. What is the potential difference across the plates?
The cup and oil heat up slowly and have a common temperature. At what temperature will the olive oil start to spill out of the cup?
If this entire charge undergoes a change in electric potential of 12 V, how much energy is involved?
Many people mistakenly believe that astronauts that orbit the Earth are "above gravity." Calculate the acceleration due to gravity (g) for space shuttle territory, 200 kilometers above the Earth's s
When you blow up a balloon, do you slightly warm the balloon? When air is allowed to rush out of it, how, if at all, does the temperature of that expanding air change?
A roller coaster has a HYDRALUIC catapult propels the car to the top of the ride at a height of 405 ft. If the car and ocupants weigh 1189 lb what would be the potential energy of the car at the top
Assume that the ball is released at the same height it is caught and that the receiver is straight downfield from the quarterback at the time of release. (Ignore any effects due to air resistance.)
You are traveling in a convertible with the top down. The car is moving at a constant velocity 26.2 m/s, due east along flat ground. You throw a tomato straight upward at a speed of 10.7 m/s. How fa
A golf ball rolls off a horizontal cliff with an initial speed of 13.9 m/s. The ball falls a vertical distance of 15.0 m into a lake below. (a) How much time does the ball spend in the air?
A charge of -2.205μC is located at (3.055m, 4.501m) and a charge of 1.800 μC is located at (-2.533m, 0). a) Find the electric potential at the origin.
Calculate the wavelengths of 1MeV, 10eV, and thermal (.025eV) gamma rays, electrons, neutrons and fission fragments (A=100). What is the ratio of the momenta of a 10-MeV 13C ion and 10-MeV photon?
A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down?
A 0.40-kg block initially at rest on a frictionless horizontal surface is acted upon by a force of 3.0 N for a distance of 4.5 m. How much kinetic energy does the block gain?