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On a spacecraft two engines fire for a time of 479 s. One gives the craft an acceleration in the x direction of ax = 4.72 m/s2, while other produces an acceleration in the y direction of ay = 7.42 m/s2. At the end of the firing period, the craft has velocity components of vx=3305 m/s and vy=4595 m/s. Find the magnitude and direction of the initial velocity. EXpress the direction as an angle with respect to the +x axis.
A 18.0 kg block is being pushed up a ramp by a force FP = 150 N acting horizontally. Determine the work done on the block by the frictional force
Use gauss law to find the electtic field E from a spherical +charged sphere of radius r
A 100.0 kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the cord is 13.0 m. She reaches the bottom of her motion 38.0 m below the bridge before bouncing back. Her motion can be ..
At rush hour, the noise from a highway is 10^?4W/m^2 with 100 cars passing a given point a minute. How many cars are now driving on the highway
The engine in a 1500kg car has a maximum power output of 200hp , but 25% of the power is lost before reaching the drive wheels. What is the car's top speed
A nuclear power plant generates 2000 MW of heat energy from nuclear reactions in the reactor's core. determine the possible thermal efficiency of the power plant
A solenoid of length 15 cm and radius 0.8 cm with 350 turns is in aexternal magnetic field of 400 T that makes an angle of50owith the axis of the solenoid. Find the magnetic fluxthrough the solenoid. Answer in units of mWb. My assignment gave methe e..
q1. a cube of ice is taken from the freezer at -8.7degc and placed in a 97 g aluminium calorimeter filled with 351 g of
Direction of the surface winds What is the expected composition
There is a clever kitchen gadget for drying lettuce leaves after you wash them. find the magnitude of the centripetal acceleration at the outer wall
Calculate the magnitude of the angular momentum of the Venus in a circular orbit around the sun. The Venus has mass 4.87×1024 kg
In a certain electroplating process gold is deposited by using a current of 14.0 A for 19 minutes. How many grams of gold are deposited by this process
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