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A stunt man drives a car at a speed of 20 m/s off a 34-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20°
A.) How far from the base of the cliff does the car land?
B.) What is the car's impact speed?
The electric field in a region of space is given by the function E = Γx2x^ where Γ is a constant with value Γ = 120 N/C/m2 a) Compute the potential difference ?VAB between the point A at x = 2 m and the point B at x = 4 m. b) Explain how you selected..
Three infinite nonconducting sheets, with uniform positive surface charge densities, sigma, 2sigma, and 3sigma, are arranged to be parallel. What is their order, from left to right
Consider two points charges held fixed at locations along the x-axis. Charge q1= 5.00mC is located at x1= 1.00m. Charge q2= -5.00 mC is located at x2=4.00m. calculate the magnitude and direction of the electrostatic force
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach 95 dB, measured a distance of 4.5 m from the source.
The chicken is dashing toward home plate with a speed of 5.8 m/s when he decides to hit the dirt. The chicken slides for 1.1s, just reaching the plate as he stops. a) what is the magnitude and direction of the chicken's acceleration? b) How far did t..
Professional baseball pitchers can deliver a pitch which can reach the blazing speed of 100 mph (miles per hour). how much kinetic energy does the ball have
A phone-charger requires 5.00 V to operate. A transformer allows the device to be powered from an overseas 240 V outlet. If the primary has 480 turns, determine how many turns should be in the secondary. What is the resistance of the phone-charger..
An object in circular motion has its tangential velocity go down at a constant rate from 39.0 m/s to 15.0 m/s in 2.40 seconds. What is the total acceleration
A 65 kg woman and an 80 kg man stand 10.0 m apart on frictionless ice. How far will the man have moved when he collides with the woman
A person works in a room for 4 hours with an activity of 3000 Bq/cubic meter of strontium chloride suspended in the air. Estimate the CEDE using the DAC. Calculate the CDEs to red bone marrow and the bone surfaces.
Two objects of mass m and 9m undergo a completely inelastic collision in one dimension. what was the ratio of their speeds before the collision
an electron moving with a velocity of 2.7 x106 ms in the positive x direction enters a region where there is a uniform
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