A particle is launched, from O(0,0) at a speed of 30m/s at an angle of 30°. The time taken by the projectile to reach a vertical wall found at a distance of 10 m is
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- A fish jumps out of the water with a speed of 1.4 m / s and angle θ = 45 ∘ with the horizontal. What is the speed of the fish at the highest point on its trajectory?"A person stands on the ground 60m away from a cliff with a height h. They throw a ball toward the cliff with a speed of vp = 30 m/s and an angle of 60° above the horizontal. It lands on top edge of the cliff some time later. How high is the cliff, and what is the ball's impact speed?"You are exploring a distant planet. When your spaceship is ina circular orbit at a distance of 630 km above the planet’s surface, the ship’sorbital speed is 4900 m/s. By observing the planet, you determine its radiusto be 4.48 * 10^6 m. You then land on the surface and, at a place where theground is level, launch a small projectile with initial speed 12.6 m>s at anangle of 30.8 above the horizontal. If resistance due to the planet’s atmosphereis negligible, what is the horizontal range of the projectile?
- The egg is launched at a speed of 49 m/s at an angle of 63 degrees above the horitzonal. At what height should a portal be placed in order to intercept the egg at its highest point above the ground?The projectile begins its motion from the origin with an initial velocity Vo at an angle of 45° as shown. If the projectile has a horizontal range R= 1400 m, at the point P(0.7R, y) above the origin ?what is the value of y ( in m) (g = 10 m/s2) P(0.7R, y) 420 252 189 294 126 R.A projectile is fired from point A at angle of 90degrees with respect to the inclined plane. The slope of the plane is 5V:12H. The projectile lands at Point B 70 meters measured along the inclined plane. Determine the Horizontal distance traveled by the projectile. Determine the time traveled to hit B sec and the maximum height reached by the projectile measured from B. What is the initial velocity of the projectile in m/s?
- A ball rolls horizontally off the edge of a tabletop that is 1.40 m high. It strikes the floor at a point 1.51 m horizontally away from the table edge. (Neglect air resistance.) (a) How long was the ball in the air? (b) What was its speed at the instant it left the table?A particle is moving with the given data. Find the position of the particle. a(t) = 2t + 9, s(0) = 6, v(0) = = -8 s(t)The velocities of the particles at an instant are VA = 5m/s and VB = 7m/s, with the angle between them at 37.5o. Determine the magnitude of VB/A, round-off the answer into two decimal places in m/s.
- A tennis ball is hit upward into the air and moves along an arc. Neglecting airresistance, where along the arc is the speed of the ball (a) a minimum and (b)a maximum?A ball rolls horizontally off the edge of a tabletop that is 1.40 m high. It strikes the floor at a point 1.32 m horizontally away from the table edge. (Neglect air resistance. (a) How long was the ball in the air? (b) What was Its speed at the instant it left the table? m/s Submit 0ncuorA Shell is fired from a hill 400 m above the ground at an angle of 30° to the horizontal with a speed of 45ms^-1. How far and at what angle from the hill will the shell land?