The Avorge wavelength of the light emitted by a costain 100 w light bulb is 4x107 m. How many Photons pir second does the light bulb unit. h = 6-63 X 10-34 JS C = 3X108m/s

Q: A rifle of 8 kg lying on a smooth table discharges accidentally and fires a bullet of mass 13g with…

A: Given data: *The mass of the gun is M = 8 kg *The mass of the bullet is m = 13 g = 0.013 kg *The…

Q: ball of mass 2 kg with speed 20.0 m/s collides with a wall and bounces back with a speed of 15 m/s.…

A: initial momentum=2x20=40 kg m/sfinal momentum=2-15=-30 kg m/sNegative sign show that , opposite…

Q: An object of mass 200 g moving at a constant speed of 2 m/s has a net force closest to

A:

Q: what is the momentum of 100 kg traveling 8m/s?

A: Momentum is defined as product of mass (m) and velocity(v). Momentum is denoted by 'p'. p = m × v…

Q: how much force would be needed to cause a 17kg • m/s in the momentum of an object, if the force…

A:

Q: A bullet weighing 2 oz is fired with a velocity of 2000 fps into a 10 lb block of wood that is…

A: Given:-  A bullet weighing m = 2 oz = 0.125 lb is fired with a velocity of  u1=  2000 fps The weight…

Q: A car of mass 2000kg accelerates from 0 to 30 ms^-1 in 5.5 seconds. Calculate the mean resultant…

A: Mass of the car is M=2000 kg. Initial velocity of the Car is vi=0 Final velocity of the Car is vf=30…

Q: What must the velocity of a 0.002 kg ping pong ball be in order to have the same momentum as a 7 kg…

A: Mass of ping pong ball = 0.002 kg   Mass of bowling ball = 7 kg  Velocity of bowling ball = 3 m/s

Q: A 1500kg yellow Mini Cooper is moving with a momentumof 15000kg m/s south.Its velocity is

A:

Q: What is a BIOLOGICAL EXAMPLE of the 3rd law of motion?

A: Statement of Newton's third law: Every action has an equal and opposite reaction. If a body exerts a…

Q: a gun whose mass is 2.7kg fires a bullet of mass 20 grams at a speed of250m/s. compute the recoil…

A: Using the conservation of momentum, m1u1+m2u2=m1v1+m2v20=m1v1+m2v2                         u1=0,…

Q: A 1600-kilogram truck moving with a speed of 27.0 m/s runs into the rear end of a 1060-kilogram…

A: Given information: The mass of the truck (M) = 1600 kg The initial velocity of the truck (Ui) = 27.0…

Q: A car of mass= 3000 Kg moves with a velocity= V= 5 m/s. To have the same amount of momentum as the…

A:

Q: what force acts on a 1,150kg car travelling at a velocity of 23.0m/s when the brakes are applied,…

A: Given, Mass of the car = 1150 kg = m Velocity of the moving car = 23 m/s = u (initial velocity)…

Q: Four people are playing tug-of-war.  The two people pulling left produce 110N together, while the…

A:

Q: If it takes a human cannonball 1.8 s to exit a 1.9 m long cannon and the average net force acting on…

A: Given data -Net Force acting on the human is ( F ) = 159 N distance covered by the human canonball (…

Q: A net force of 20 N is applied to a cart to cause it to change its velocity from 1.8 m/sec to 12…

A:

Q: Which of the following is a vector quantity? Check all that apply. displacement velocity speed…

A:

Q: Superhighway in Canada have speed limits of 100 km/h. How does this compare with the 65 min/h speed…

A:

Q: A toddler pushes a play shopping cart around her room. Her mass is 14 kg, the cart is 5 kg and the…

A: Given data * Toddler given mass is m = 14 kg *The cart mass is mc = 5 kg *The items in the cart is…