Average resistance force which the water exerts
A diver of 70 kg steps off a 10 m tower and drops straight into the water. When he comes to rest 5 m beneath the surface of the water, find out the average resistance force which the water exerts on the diver.
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An RL series circuit consists of 5.0-mH coil, 1.0- resistor, 12-V battery, ammeter and switch. After the switch is closed for a long time, determine the final value of the current.
A study of commuting times reports the travel times to work of a random sample of 21 employed adults in New York State. The mean is xbar= 30.05 minutes and the standard deviation is s = 24.33 minutes. What is the standard error (±0.0001) of
The placebo effect is particularly strong in patients with Parkinson's disease. To understand the workings of the placebo effect, scientists measure activity at a key point in the brain when patients receive a placebo that they think is an active
A car of 2000 kg begins from rest and coasts down from the top of 5m long driveway which is sloped at an angle of 20 degrees with the horizontal. When a constant 4000 N frictional force resists the motion of the car, determine the speed of the car
According to the aaos 26.6% of all orthopedic treatments are to the knee. compute 95% confidence interval for the actual proportion of orthopedic treatments that are to the knee under the assumption that the sample estimate is based on a random sa
A soccer ball consists of a mass 0.5 kg, when a player rests her foot on the ball by pushing with 200 Newton vertically down find out the magnitude of the normal force which the ground applies on the ball, as well comprise a free-body diagram of t
A meter-stick is held to a wall through a nail passing via the 68.0 cm mark. The meter-stick is free to swing about this nail, devoid of friction. When the meter-stick is released from an initial horizontal position, determine what angular velocit
State the population distribution (that is, the probability distribution of X for each observation) Find the mean of the sampling distribution of the sample proportion who got relief among the 24 people.
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