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A rocket is launched from the ground with an initial speed of 30 m/s at an angle of 40 degrees with respect to the horizontal.
(a) Determine the initial x and y components of the velocity.
(b) Find the maximum height of the rocket.
(c) How long it will take the rocket to hit the ground?
(d) How far down range will the rocket have traveled?
A puck mass m=0.4 kg is sliding on a frictionless surface at a speed v=2.50 m/s in the x direction and I hits another puck o mass m= .2 kg at rest at the origin. what are the final speeds of the particles
An object is placed 100 cm in front of a lens of focal length 20 cm. A second lens is placed 35 cm beyond the first, How far past the second lens is the final image formed
A plot of the temperature versus the energy per kg added to a piece of ice as it goes from below freezing at - 10°C to becoming steam at 110°C consists of straight lines, What do the upward slopes represent
All distant galaxies are moving away from us. Describe why this does not imply that we are at the center of universe.
A uniform plank of length 6m and weight 211N rests horizontally on two supports, with 1.1 m of the plank hanging over right support. To what distance x can a person who weighs 442N walk on the overhanging part of the plank before it just begins to..
Write a Matlab program that converts from COEs (classical orbital elements) to position and velocity vectors
An 8.00-cm-diameter, 330g sphere is released from rest at the top of a 2.00-m-long, 17.0? incline. find the sphere's angular velocity at the bottom of the incline
A 71-kg skier is going down a slope oriented 32° above the horizontal. Determine the pressure that each skier exerts on the snow
In a hydraulic system with a large and a small piston, you wish to lift a 1130 kg car sitting on the large piston that has a diameter of 28.2 cm, What is the diameter of the small piston
You want to lift a heavy box with a mass of 98 kg using a two pulley system. If you lift the box by 1 m, how much work is done by gravity
Refrigerant-22 enters a turbine at 300 psi, 280°F, 2000 ft3/hr. The exit is at 15 psi, 10°F. Find the mass flow rate
A dolphin wants to swim directly back to its home bay, which is 0.760 km due west. It can swim at a speed of 4.23 m/s relative to the water, What direction should the dolphin head
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