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A Proton is located at x=2.0 nm, y=0.0 nm and an electron is located at x=0.0nm, y=4.0 nm. Find the attractive Coulombic force between them
You want to design the loop-the-loop toy. The idea is that a ball of mass m=0.01 kg, determine the minimum height necessary for the ball to remain in contact with the track during the whole loop-the-l
An airplane pilot with a mass of 90.0-kg pulls out of a dive by following the arc of a circle whose radius is 300 m at a constant speed of 190 km/h. find the force exerted on the pilot by the airpla
A 0.481 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
An ideal engine has an efficiency of 0.605 and uses gas from a hot reservoir at a temperature of 502 K. What is the temperature of the cold reservoir
A 0.70-kg mass attached to a vertical spring of force constant 140N/m oscillates with a maximum speed of 0.40m/s, Find the maximum magnitude of the acceleration
a monochromatic beam of light of wavelength 600nm is incident on a diffraction grating with a slit spacing of 1.7*10^-4cm
The unstable isotope 234Th decays by beta emission with a half-life of 24.5 days. what is the decay rate after 37 days
a 3 kg mass attached to a spring oscillates with a period of 0.5 seconds and amplitude of 1/4 meter. find the maximum speed of the mass
A 0.57-kg air cart is attached to a spring and allowed to oscillate. Find the maximum force exerted on it by the spring
A closely wound rectangular coil of 85.0 turns has dimensions of 26.0cm by 46.0cm. estimate the average emf induced in the coil
Calculate the speed of the second ship with respect to Earth if it is fired in the same direction the first spaceship is already moving
How much heat does an engine with an efficiency of 26.0% absorb in order to deliver 2.00 kJ of work, How much heat is exhausted by the engine
A 850-kg sports car accelerates from rest to 95 km/h in 7.0s, What is the average power delivered by the engine
The rms current in an ac circuit with a resistance of 130? is 0.70A. What is the maximum power consumed by this circuit
A transformer with a turns ratio (secondary/primary) of 1:11 is used to step down the voltage, determine the voltage supplied to the recharger
A skier traveling 11.0 m/s reaches the foot of a steady upward 19 degree incline and glides 16m up along this slope before coming to rest. compute the average coefficient of friction
A 193 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. compute the velocity (speed) of the satellite
Determine the inductance of a solenoid with 650 turns in a length of 20cm . The circular cross section of the solenoid has a radius of 4.1cm
Brewed coffee is often too hot to drink right away. You can cool it with an ice cube, but this dilutes it. compute the final temperature of the coffee
Suppose a duck lives in a universe in which h = 2? J · s. The duck has a mass of 2.70 kg and is initially known to be within a pond 1.90 m wide. determine the uncertainty in the duck's positio
An ultracentrifuge having a diameter of 17.3 cm produces an extremely large acceleration of 2.71E+5 m/s2. estimate the angular speed of the centrifuge
A 4.0cm tall apple is 20cm in frount of a plano-convex lens of focal length 75cm. Find the location of the image of the apple
If 80g of ice at -20 oC is placed in 200g of water at 15 oC, how much ice melts, The specific heat of ice is 0.5 cal/g-K
The average lifetime of a muon is about 2 µs. Estimate the minimum uncertainty in the rest energy of a muon