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a projectile is fired with an initial velocity of 35 m/s at an angle of 30 degrees above horizontal of a 30 feet tall building. find (a) the max height of the projectile (b) the time to rise to the top of the trajectory (c) the total time the projectile is in the air (d)the velocity of the projectile at the ground (e) the range of the projectile.
The wavelength of the waves in seawater is 4.80 x10-4 m. While the generator is directed downward, an echo reflected from the ocean floor is received 10s later.
A block of mass 12-kg slides from rest down a frictionless 34° incline and is stopped by a strong spring with k = 1.0x 10^4 N/m. The block slides 3 m from the point of release to the point where it comes to rest against the spring.
Assume the charge on black hole is 5740 C. At what distance from it is the electric potential equal to 1100 V.
Determine the highest speed the stone can attain without breaking the string.
What mass can it support in water before sinking. Two concentric spherical shells with uniformly distributed masses M1 = kg and M2 = kg are situated as shown . Find out the magnitude Find the magnitude of the net gravitational force on a particle ..
A student shoots spitball at the wall from a height of 1.50 meters. The spitball has an initial horizontal velocity of Vxo, other than has no vertical velocity component. The spitball lands on the ground 8 meters from where it was shot. What is the V..
While john is travelling along an interstate highway, he notices a 160 mile marker as he passes through town. Later John passes another mile marker, 119.
Presume you carry a bag of groceries weighing 148 N from your car to the kitchen, a distance of 59m, without raising or lowering the bag.
What is the tension in each cable if angle between each and the direction the crate moves is 12°.
Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
What is the normal force that the incline exerts on the block. find the acceleration of the block.
how high above the target must the rifle barrel be pointed.
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