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A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 5.80 m/s in 0.878 s.
(a) What is the magnitude of the linear impulse experienced by a 74.0-kg passenger in the car during the time the car accelerates?
(b) What is the magnitude of the average total force experienced by a 74.0-kg passenger in the car during the time the car accelerates?
An artillery shell is fired with an initial velocity of 300 m/s at 47.5° above the horizontal. To clear an avalanche, it explodes on a mountainside 47 s after firing. What is the x and y components of the shell where it explodes, relative to its f..
Find a relation between the variables that would guarantee that the block is initially slowing down.
A vertical cylinder 6 ft tall and 1 ft in diameter might be used to approximate a man for heat-transfer purposes, Calculate the heat lost from the cylinder
then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
A stone is dropped from the top of the cliff. The splash it makes when striking the water below is heard 3.5 seconds after it is dropped. How high is the cliff? Presume that the speed of sound in air is 343 m/s and g = 9.8 m/s2.
A copper pot sits on a hot plate that is at a remperature of 140 C, How long before one half the pots contents evaporate
An airplane pulls a 24 kg banner on a cable as depicted in the figure below. When the plane has a constant cruising velocity the cable makes an angle of ? = 26°
At a large business, employees must report to work at 7:30 A.M. The arrival times of employees is approximately symmetric and mound-shaped with mean 7:22 A.M. and standard deviation 4 minutes.
When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.11 m. If the mass of the baseball is 0.21 kg, find out the speed of the pitch. Please provide step by step ..
A cube of ice is taken from the freezer at -8.0°C and placed in a 97 g aluminium calorimeter filled with 286 g of water at room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of the ice cube.
A stuntman drives a car over the top of a hill, the cross section of which can be approximated by a circle of radius 160 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?
A closed cylindrical tank has a height of 0.77m. The tank is at first filled with air at a pressure of 2.00 atm. Water is pumped into the tank until the air pressure reaches 6.1 atm. The temperature is constant. Find out the height of the compress..
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