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I- A 1500 Kg car takes 45 minutes to climb from an elevationof 1800 m to 2800m, as the car drives along a mountain road.
a) How much work did the car do against gravity?
b) How much average power did the car produce?
A grocery cart with mass of 12kg is being pusch at constant speed up a flt 15 degree ramp by force which act at an angle 17 degree below the horizontal line.
The organ pipe in the figure(Figure 1) is 2.80 long, What is the fundamental frequency of this pipe
You walk for 6.44 km with at a constant velocity of 2.60 m/s due west, turn around, and then walk with an average velocity of 0.405 m/s due east, During the trip, how far east did you walk
An elevator is initially moving upward at a speed of 11.18 m/s. The elevator experiences the constant downward acceleration of magnitude 4.44 m/s2 for 2.87 s.
A bat strikes 0.150 kg baseball. Just before impact, the ball is traveling horizontally to the right at 50.5 m/s , find the vertical component of the average force on the ball
A cd has a mass of 17 g and a radius of 6.0 cm. When inserted into a player, the cd starts from rest and accelerates to an angular velocity of 21 rad / s in 0.8s, Determine the sum of the net torque action on it
Three capacitors having capacitances of 8.1 uF , 9.0 uF , and 4.7 uF are connected in series across a 37-V. potential difference. What is the total energy stored in all three capacitors
During a very quick stop, a car decelerates at 7.2 m/s2. Assume the forward motion of the car corresponds to a positive direction for the rotation of the tires, How long does the car take to stop completely in seconds
An electron passes through a point 3.01 cm from a long straight wire as it moves at 35.3% of the speed of light perpendicularly toward the wire. Find the magnitude of the electron\'s acceleration at that point
A spherical balloon has the potential to reach a diameter of 35 cm, what would be the volume of this balloon when it reaches a pressure of 0.75P0 and a temperature of -15°C
An initially motionless test car is accelerated uniformly to 145km/h in 8.28s before striking a simulated deer. The car is in contact with the faux fawn for .815s, after which the car is measured to be traveling at 82.0km/h. What is the magnitude ..
The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.2 × 10-15 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom
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