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You are driving along a highway at 80 kilometer per hour. Exactly 10 meter in front of you is a truck 15 meter long driving at 60 kilometer per hour, your car is 5 meter long. If you wish to pass the truck in 3 second, determine how fast must you accelerate? Find what will your speed be when you pass the front end of the truck?
q1. a 25- sample of an ideal gas with is at 250 and 50. the gas is compressed isothermally to one-third of its original
An electric heater carries a current of17.5A when operating at a voltage of 120 V. What is the resistance of the heater?
A 6.30 x 10 -5 H solenoid is constructed by wrapping 54 turns of wire around a cylinder with a cross-sectional area of 6.4 x 10-4 m2. find the change in the length of the solenoid
The force shown in the attached figure is the net eastward force acting on a ball. The force starts rising at t = 0.020 s, falls back to zero at t = 0.062 s, Find the area of a nearly equally sized triangle
A beam contains 3.0 x 106 doubly charged positive ionsper cubic centimeter, all of which are moving north with a speed of5.4 x 105 m/s. What is the magnitude of the currentdensity?
A 56.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.24 102 m/s from the top of a cliff 120 m above level ground, What is the initial total mechanical energy of the projectile
A particle of mass m is located in 3-dimensional space with gravity acting on it in the vertical direction. Write the Lagrangian, the equations of motion, and all conserved quantities including energy if they exist
A person does 100 joules of work of pulling back the string of the bow. What will be the original speed of a 0.5 killogram arrow when it's fired from the bow.
A coil of inductance 90 mH and unknownresistance and a 0.80 µF capacitorare connected in series with an alternating emf of frequency945 Hz. If the phase constant between theapplied voltage and the current is 75°, what is the resistanceof the coil in ..
A stationary billard ball, with a mass of 0.17 kg, is struck by anidentical ball moving at 4.0 m/s. What is the velocity of each ball after the collision
The earth orbits the sun in an approximately circular orbit of radius 1.496x10^11 m, Use these data to determine the mass of the sun
problem 1 packed beds with adsorbent material are frequently used in pharmaceuti- cal industry for affinity
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