A bushpilot has to drop a package from her plane so that it hits the ground at a given target position. The plane is travelling horizontally with a speed of 220 km/h at a height of 63.0 m above ground.
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Q: Spitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom…
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Q: Spitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom…
A: Using equation of motion,
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- -8: 3. A projectile is launched at an angle of 18.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 180 m from the launch point and 12.5 m below the launch level? m/s 4. A firefighter located a distance of 24.0 m from a burning building, directs a stream of water at an angle 8 = 26.0° above the horizontal. At what height from the hose nozzle does the water strikes the building if the initial speed of the stream is 44.0 m/s? m Time Left: 1 days 0 hours 32 minutes 5. A basketball player is standing on the floor 14.5 m away from the basket. The height of the basket is 3.10 m, and he shoots the ball at 50.0° with the horizontal from a height of 1.90 m. At what speed must the player shoot the ball so that it goes through the hoop without striking the backboard? m/s 80 6. A projectile is shot from the edge of a cliff 170 m above ground with an initial speed of 70.0 m/s at an angle of 40° below the horizontal. How much time does it…An archer on the roof of a tower shoots an arrow at a bird in flight. The arrow travels at 255 m/s. The bird is directly across from the archer at a distance of 90.0 m. The archer misses. If the tower is 200 m tall and if we assume the cow is at ground level, will his stray arrow hit the cow? (The cow is 145 m away from the tower.)A bullet is fired. at 250 m/s horizontally over level ground at an altitude of 1.9 meters. How far (in meters) horizontally will the bullet travel before strinking the ground?
- Snowballs are thrown with a speed of 19 m/s from a roof 7.0 m above the ground. Snowball A is thrown horizontally; snowball B is thrown in a direction 35° above the horizontal. Find the direction of motion (that is, the angle of the velocity vector) of each of the two snowballs just before they land.A projectile is launched with an initial velocity of 60.0 m/s at an angle of 30.0° above the horizontal. The projectile lands on a hillside 4.00 s later. What is the projectile’s velocity (magnitude and direction) at the instant before striking the hillside? Answers: (a) 52.8 m/s @ -10.1Use the technique of separating the problem into X- and Y- components to solve this problem: A Halloween prankster throws an egg out the window of an office building down onto the parking lot below. The egg is thrown with a velocity of 18 meters / second, at an upward angle of 23 degrees, and is release exactly 53 meters above the surface of the parking lot. The egg lands on the roof of a parked SUV, 2 meters above the surface of the parking lot. Using a gravitational constant, g, of 9.8 meters / second² calculate the following: 1) The time it takes for the egg to hit the parked SUV. (seconds) 2) The total distance away from the building that the egg lands. (meters)
- An owl is carrying a mouse to the chicks in its nest. It is 4.00 m west and 12.0 m above the center of the 30 cm diameter nest and is flying east at 4.00 m/s at an angle 25° below the horizontal when it accidentally drops the mouse. Will it fall into the nest? Find out by solving for the horizontal position of the mouse (measured from the point of release) when it has fallen the 12.0 m.Spitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom at an attacker. Suppose a spitting cobra rears up to a height of 0.440 m above the ground and launches venom at 3.70 m/s, directed 39.0° above the horizon. Neglecting air resistance, find the horizontal distance (in m) traveled by the venom before it hits the groundSpitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom at an attacker. Suppose a spitting cobra rears up to a height of 0.420 m above the ground and launches venom at 3.70 m/s, directed 53.0° above the horizon. Neglecting air resistance, find the horizontal distance (in m) traveled by the venom before it hits the ground.