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Dale Earnhardt's crash in Daytona 500, his car 1545kg crashed into the wall. Dale experienced a velocity change of 19 m/s for a time of 80 milliseconds.
A) What was the car's momentum change?
B)What was the impulse delivered to the car?
C) Calculate the force of impact responsible for the momentum change?
D) What the collision elastic or Inelastic?
Water is being pumped 100 meters up a hill through a hose at a rate of .012m^s/s. what is the water pressure at the bottom of the hose
Calculate the potential energy of the spacecraft at several points between the surface of the earth and the surface of the moon. Then draw a reasonable graph showing the potential energy from the earth to the moon.
A toy car is driven by a battery of 9V. it draws a current of 2mA. what is the resistance of the car
A rocket is launched at an angle of 52.0° above the horizontal with an initial speed of 96 m/s. Find the maximum altitude reached by the rocket
A roller coaster car is going over the top of a13-m-radius circular rise. How fast is the coaster moving
A converging lens of focal length 19.2 cm is separated by 55.3 cm from a converging lens of focal length 4.72 cm. If the height of the object is 3.10 cm, what is the height of the final image
One end of a uniform rod of length 4L and weight Fg is supported by a cable. Determine the minimum distance, x from the wall, at which an additional object of weight Fg can be hung without causing the rod to slip
A girl makes a microscope with a 3.0 cm focal length objective and a 5.0 cm eyepiece. the microscope tube length is 10 cm. Find expected magnification of this microscope
1040 carbon steel is a medium carbon steel. determine the applied stress at failure for a crack the length of 5 mm
a 750g mass traveling at 8m/s undergoes a head on elastic collision with a 50g mass traveling towards it at 8m/s. What is the speed of the 50g mass after the collision
You will consider how these aspects of your personality and self-concept will allow you to improve your skills in a future leadership role.
A charge +q is located at the origin, while anidentical charge is located on the x axis at x =+0.690 m. What is the distance from the third charge to the origin
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