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Car A runs a red light and broadsides car B, which is stopped and waiting to make a left turn. Cat A has a mass of 1,800kg. Car B has a mass of 1,500 kg. After the impact, the cars stick together and slide away at a speed of 7.1m/s. how fast was car A going when it hit car B? Show your work.
a model rocket is constructed with a motor that can provide a total impulse of 36.0 nmiddots. the mass of the rocket
In a steam power plant 1 MW is added at 700°C in the boiler, 0.58 MW is taken out at 40°C in the condenser, how much turbine power could be produced if the plant were running in a carnot cycle
q1. a 65 kg hiker has fallen down a hole. one rescuer attaches a rope to the injured hiker and then a second rescuer
A closed surface is formed from a 3.5-cm radius hemisphere ‘capped' by a flat base. what is the flux (in N m^2/C) through the flat base
A permanent dipole is at rest at origin of a coordinate system with a random orientation. What is the equilibrium orientation of the dipole
The density of free electrons in gold is 5.90 × 1028 m-3. The resistivity of gold is at a temperature of 20°C and the temperature coefficient of resistivity is A gold wire, 1.1 mm in diameter and 29 cm long, carries a current of 650 mA. The drift ..
A 1000kg car moving at 40mph hits a 750 kg parked car. If they move off locked together after the collision how fast are they moving
What is the rms current in a series RC circuit if R = 7.0 k, C = 0.80 µF, and the rms applied voltage is 100 V at 60 Hz and What is the phase angle between voltage and current
A 61 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 11m , and falls a total of 32 m. Calculate the maximum acceleration she experiences
two firecrackers explode at the same place in a rest frame with a time separation of 20 s in that frame.find the time
A light plane attains an airspeed of 370 km/h. The pilot sets out for a destination 800 km to the north but discovers that the plane must be headed 10° east of north to fly there directly. What was the j-component of the wind velocity vector
You are moving into an apartment and take the elevator to the 6th floor. How much work does the elevator do on you alone (without belongings) on the downward trip, which is also made at a constant velocity
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