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A jet, diving at an angle of 53o with the vertical, releases a projectile at an altitude of 800 meter. The projectile hits the ground 5.0 sec after being released.
A) Determine what is the speed of the jet?
B) Find how far did the projectile travel horizontally during its flight?
C) Find the horizontal and vertical components of its velocity just before striking the ground?
A disk of radius 25 cm lies in a vertical plane and rotates with a constant angular acceleration of 5.00 rad/sec^2. What is the corresponding tangential speed
what is the strength of the electric field 4.0cm from a small glass bead that has been charged to positive 4.0cm?
The mass of Mars, 6.40e23 kg, is about one-tenth of that of the Earth, and it's radius, 3395km, is about half of the earth. What is the mean density of Mars
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 4.55 m/s2. how long does it take to stop and how far does it travel
You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs
For the motion along the inclined plane, should the maximum kinetic energy of the cart be equal to the potential energy of the compressed spring (under ideal conditions)?
A 47.7 kg girl is standing on a 127 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is her velocity relative to the ice surface
A solid sphere rolls without slipping from rest down a plane 4.00 m long inclined at angle of 42.0 degree with respect to the horizontal. Determine the speed at the bottom of the incline
An electric vehicle starts from rest and accelerates at a rate of 2.8 m/s2 in a straight line until it reaches a speed of 18 m/s. How far does the vehicle travel from start to stop
question one method of determining the refractive index of a transparent solid is to measure the critical angle when
An airplane, whose air speed is 380 km/hr, is supposed to fly in a straight line 23.0 degrees north of due east. A steady 100 km/hr is blowing from the north. Illustrate in what direction should the plane head realative to the earth?
Four identical springs with k = 65.3kN/m support a car, Find the maximum weight for the car if the springs should be compressed no more than 3.9cm when the car is at rest
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