What was the launch angle
A projectile is launched from level ground. When it lands, its direction of motion has rotated clockwise through 60 degrees. What was the launch angle?
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Gasoline's volume expansion coefficient is 0.00096?C-1. How many extra kilograms of gasoline are obtained when fifteen gallons of gasoline are bought at 0?C rather than at 18?C (tempera- ture at the filling station)? Answer in units of kg.
An object of mass is attached to a spring with spring constant whose unstretched length is, and whose far end is fixed to a shaft that is rotating with angular speed. Neglect gravity and assume that the mass rotates with angular speed as shown. (I
The Death of Stars Without the fuel to make things expand, gravity starts to crush the atoms closer and closer together How Long do Stars Live?
Consider a weathered rock or soil particle lying on a slope. How will the gravitational force pulling the particle downward along the land surface vary with the inclination of the slope?
you want some information on Vitamin E and its potential benefits in preventing heart attacks. a. What are some key terms or keywords for this topic? b. Which Boolean operator would you use to combine the key terms?
A 5.70 kg instrument is hanging by a vertical wire inside a space ship that is blasting off at the surface of the earth. This ship starts from rest and reaches an altitude of 247 m in 19.0 s with constant acceleration Draw a free-body diagram for
There was a seminar about modern piracy held in Singapore in 1999 by IMB.
A steel ball of mass 0.500 kg is fastened to a cord that is 70.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. At the bottom of its path, the ball strikes a 2.50 kg steel block initially at rest on a fric
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