A large electroscope is made with "leaves" that are 78-cm-long wires with tiny 47 g spheres at the ends. When charged, nearly all the charge resides on the spheres. If the...
A large electroscope is made with "leaves" that are 78-cm-long wires with tiny 47 g spheres at the ends. When charged, nearly all the charge resides on the spheres. If the...
I found the momentum (20,000 ns) the other things the question asks is: if this car takes 15 sec to stop, what is the average braking force? what is the time rate of change...
A tennis ball is struck and departs from the racket horizontally with a speed of 27.9 m/s. The ball hits the court at a horizontal distance of 19.9 m from the racket. How far above the court is the...
Two very small spheres are initially neutral and separated by a distance of 0.50m. Suppose that 3.0xe13 electrons are removed from one sphere and put on the other. (A) what is the magnitude of the...
Show work please
Show work please?
1,b :Use Dimensional Analysis to solve the following problems. my house is 1.2 miles from my school please show steps with an aswr
can someone help me this is hard 1. Use Dimensional Analysis to solve the following problems
A 115.00kg stack of physics texts is placed on a 6.00m long bench. What is the minimum reaction force each support leg must produce if the uniform beam itself has a mass of 10.0kg? ...
8.) A 1500-kg automobile, traveling at 5.0 m/s after braking, strikes a power pole and comes to a full stop in 0.1 s. Calculate the force exerted by the power pole and brakes required to stop the...
1. The resultant of a number of forces acting on a moving wheelbarrow is 35N due East. Explain what is meant by the resultant of a number of forces. 2. The Highway Code indicates that...
In a car crash, a 50 kg passenger moving at 15 m/s is stopped by an air bag in 0.10 sec. What is the average force the air bag exerts on the passenger? Show work or explain concept...
In a car crash, an air bag exerts -1000 N of force on a 46 kg passenger. The passenger comes to a rest in 0.15 sec. How fast was the passenger moving before the crash? Show work please...
In a car crash, an airbag exerts -4000 N of force on a passenger moving at 10 m/s. The passenger comes to rest in 0.11 sec. What is the passenger's mass? Show work please.
A 5kg plank is supported by 2 bricks. If the golden retriever is 16kg and the dalmation is 23kg, what is the support force in each brick? ...
physics question
physics question
Show work please.
Show work please
A punter drops a ball from rest vertically 1 meter down onto his foot. The ball leaves the foot with a speed of 18 m/s at an angle 55ยบ above the horizontal. What is the impulse delivered...