Determine the equations of velocity and position
The acceleration of a particle is defined by a = Kt2. Knowing that v = -4 m/s at t=0, and v=20 m/s at t = 4, determine the constant K. Determine the equations of velocity and position, knowing that x = 4m when t = 6s.
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A Rankine steam power plant should operate with a high pressure of 3 MPa, a low pressure of 10 kPa, and the boiler exit temperature should be 500°C.
A sail plane with a lift-to-drag ratio of 25 flies with a speed of 50 mph. What vertical airspeed is needed if the sail plane is to maintain a constant altitude?
Calculate the percentage volume change for a material being transformed from FCC to BCC. remember to assume the atomic diameters to be fixed and the atoms are packed together as rigid spheres.
A 1.00 kg glider attached to a spring with a force constant 49.0 N/m oscillates on a horizontal, frictionless air track. At t = 0, the glider is released from rest at x = -3.50 cm. (That is, the spring is compressed by 3.5 cm.)
Knowing that v = -4 m/s at t=0, and v=20 m/s at t = 4, determine the constant K. Determine the equations of velocity and position, knowing that x = 4m when t = 6s.
The performance of an ammonia absorption cycle refrigerator is to be compared with that of a similar vapor-compression system. Consider an absorption system having an evaporator temperature of ?10°C and a condenser temperature of 50°C.
which does not slip against the road surface. since the wheel does not slip the road must be appplying a force of static friction to the wheel that produces a countertorque. moreover, the car has a constant velocity so this countertorque balances
Consider a small ammonia absorption refrigeration cycle that is powered by solar energy and is to be used as an air conditioner. Saturated vapor ammonia leaves the generator at 50°C, and saturated vapor leaves the evaporator at 10°C.
The barometric pressure is reported to be 605.5 torr and the temperature of the water is 22.5 c. How is the mass of the gas filling the Erlenmeyer determined?
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Reply positively with follow-up: Yes, motivation can shift between intrinsic and extrinsic forms, and research shows it is not static.
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