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A truck of mass 2200kg leaves town moving at 25 m/s to the north. Outside town, the truck turns north-east and changes speed to 40 m/s. What is the change in the truck's momentum? Take north as j and east as i and remember that north-east is 45 degrees between north and east.
q1. a stone thrown upward from the top of a 108 ft cliff at 132 ftsec eventually falls to the beach below. for this
A 46.6 ?F capacitor is connected to a 46.7 ? resistor and a generator whose RMS output is 24.4 V at 54.0 Hz. Calculate the phase angle for the circuit
Starting from rest, a 4.50-kg block slides 3.00 m down a rough 30.0° incline. Determine the work done by the friction force between block and incline
Define FM and what parameter of the intelligence signal causes frequency deviation of the carrier?
A hunk of aluminum is completely covered with a gold shell to form an ingot of weight 44.0N. What is the weight of the gold in the shell
A 4.0 kg block is released from rest at the top of a 30 degree frictionless incline. The block makes a head on elastic collision with another 3.0 kg block initially at rest on a horizontal surface at the bottom of the incline.
The other end is attaced to a 3 kg disk moving in uniform circular motion on the table, which stretches the spring by 1 cm. Note: Friction is negligibe. Illustrate what is the work done on the disk by the spring during one full circle?
A ball is thrown toward a cliff of height h with a speed of 31m/s and an angle of 60 degrees above horizontal. What was the maximum height of the ball
A cylinder in a car engine takes Vi = 4.50 10-2 m3 of air into the chamber at 30° C and at atmospheric pressure. What is the new temperature of the air
When the air temperature is below 0, the water at the surface of a lake freezes to form a sheet of ice. If the upper surface of an ice sheet 24.60 cm thick is at -10.30 Celsius and the bottom surface is at 0.00 Celsius, compute the time it will ta..
A capacitor that is initially uncharged is connected in series with a resistor and a 406.7V emf source with negligible internal resistance, What is the resistance of the resistor
A particle starts from the origin at t=0 with a veolicty of 6.0i m/s and moves in the xy plane with a constant acceleration of (-2.0i+ 4.0j). how far is it from the origin
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