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1. A all is thrown from the top of a building with inital velocity of 25.9sec staright upwards, at an inital height of 100 meters above the ground. Determine the following:
1. the time needed for the ball to reach its maximum height
2. the maximum height
3. the time needed for the ball to return to the height from which it was thrown and the velocity of the ball at that instant
4. the time needed for the ball to reach the ground
5. the velocity and position of the ball at t=8.00 seconds
6. suppose after the ball reaches the ground ,it bounces back straight upwards at the speed of half of the speed that it hits the ground, calculate the maximum height that the ball bounces.
A turtle ambles leisurely-as turtles tend to do-when it moves from a location with position vector r1,x = 1.49 m and r1,y = -2.77 m in a lettuce garden to another location, with position vector r2,x = 3.77 m and r2,y = -4.19 m, where the lettuce a..
A certain cable car in San Francisco can stop in 10s while travelling at maximum speed. On one occasion, driver sees a dog a distance d m in front of the car and slams on the brakes instantly.
A 120 V rms voltage at 60 Hz is applied across a 10 uF capacitor and an unknown resistor. what is the value of the resistor
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
A point charge of magnitude 9.15uC is at the center of a cube with sides of length 0.470m. find the electric flux through each of the six faces of the cube
A toddler weighs 10 kg and raises herself onto tiptoe (on both feet). Her feet are 8cm long with each ankle joint being located 4.5cm from the point at which her feet contact the floor. What is the tension force in one of her achilles tendons
A simple of helium gas occupies 5 liters at 22degree C and a gauge pressure of 200,000 pascals. What is the mass of the gas
The metal equilateral triangle in the figure, 20 {rm cm} on each side, is halfway into a 0.10 {rm T} magnetic field.What is the magnetic flux through triangle.
A large tank of water is full and has a depth of 10.0 m. What is the pressure at the bottom of the tank
A 700 omega and a 2300 omega resistor ar econnected in a series with a 12-V battery. What is the voltage across the 2300 omega resistor
As shown in the figure, sunlight is coming straight down (negative z-direction) on a solar panel (of length L = 1.51 m and width W = 0.930 m) on the Mars rover Spirit.
X rays with a wavelength of 0.14 nm undergo first-order diffraction from a crystal at a 70^\circ angle of incidence. What is the angle of second-order diffraction
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