3447 Questions for the topic physics
What causes the pressure difference between the aorta and the vena cava?
The tip of a propeller on an airplane has a radius of 0.90m and experiences a centripetal acceleration of 8.88*10^4 m/s^2. What is the frequency of rotation of the propeller in rpm?
Calculate the resistance of a Nichrome wire 0.60 mm diameter and 1.30 m long. The resistivity of Nichrome is 100 x 10-8 Ω-m
The electric potential difference between the parallel deflection plates in an oscilloscope is 200 V.
Two conducting spheres of the same size have charges q1 = - 5.0 x 10-6 C and q2 = +7.0 x 10-6 C, and their centers are separated by 4.0 cm. What is the force between them?
A nylon string is stretched between supports 1.20 m apart. Given that the speed of transverse waves .
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linear momentum in relativity
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If the tire marks show that the two vehicles moved forward after the collision at 4 m/s, what was the speed of the vehicle before the collision? Show a diagram of the momentum “before” and “after”.
Frictional Force question
How much tension in the wire does the bird produce?
Simple Urgent question: voltage for circuit
A stone is thrown off a bridge 180m above a river. if it has an initial velocity given by Vo=(32.0m/s)xhat+(24.0m/s)yhat then determiine the following
A force of 10.0 newtons acts at an angle 20.0 degrees from vertical. What are the horizontal and vertical components of the force?
Breathing and exchange of gasses