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A handball is thrown directly upward with an initial velocity of 176 ft/sec. Draw a diagram, label velocity and time every second. Show all steps for full credit. Use g = -32 ft/sec2
Calculate the total time the ball is in the air.
Calculate the velocity of the ball in ft/sec at 8 sec.
Calculate the height of the ball above ground in feet at 8 sec.
A small current loop of area A=0.0008m2 and moment of inertia I=6.9e-07kgm2 carries a current i=0.0039A with its magnetic moment perpendicular to the Earth's magnetic field. What is the magnitude of the net torque T on the loop
If it takes 3.60 x10-13 s for a nitrogen molecule to hit the wall and rebound with the same speed but moving in an opposite direction (assumed to be the negative direction), what is the average acceleration of the molecule for the period of this t..
A concave mirror forms a real image which is twice the size of the object. calculate the radius of curvature of the mirror
Describe one model for the origin of the Milky Way Galaxy. How does this model explain the differences between Population I and II stars.
A lens of focal length +1.25 cm is used as a simple magnifier by holding outside the eye. what is the angular magnification
A 80cm long metal string under 34.5 N tension has a linear mass density 2.10x10^-4 kg/m. Find the frequencies of the first three harmonics
A particle with a mass of 1.00 10-5 kg and a charge of +2.3 µC is released in a (parallel-plate) uniform horizontal electric field of 16 N/C. A. How far horizontally does the particle travel in 0.46 s
What is the total force (magnitude and direction) exerted by these two charges on a third charge q3=+5.00 nC located at y=-0.4000m
At one instant, a 0.26 kg particle is located at the position [r=(5.9m)*i+(5.5m)*j]. What is the angular momentum of the particle about the origin, in unit-vector notation
A golf ball is dropped from rest from a height of 8.10 m. It hits the pavement, then bounces back up, rising just 5.60 m before falling back down again. calculate the total amount of time that the ball is in the air
On a summer day, the air conditioning breaks down and the air inyour classroom becomes very warm and muggy with a vapor pressure of20 hPa and a temperature of 25 degree Celsius. what is the virtul temperature of the air?
on a spacecraft two engines fire for a time of 541 s. one gives the craft an acceleration in the x direction of ax
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