A javelin flies 30 m in 3 s,landing at the same elevation at which it was...

Question

Question

A javelin flies 30 m in 3 s,landing at the same elevation at which it was released.At what angle was it launched?

science physics

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

In the javelin throw at a track-and-field event, the javelin is launched at a speed of...

In the javelin throw at a track-and-field event, the javelin is launched at a speed of 33.0 m/s at an angle of 36.5° above the horizontal. How much time is required for it to hit the target that is the same height across the field?
In the javelin throw at a track-and-field event, the javelin is launched at a speed of...

In the javelin throw at a track-and-field event, the javelin is launched at a speed of 25.0 m/s at an angle of 35.9 ° above the horizontal. As the javelin travels upward, its velocity points above the horizontal at an angle that decreases as time passes. How much time is required for the angle to be reduced from 35.9 ° at launch to 15.8 °?
In the javelin throw at a track-and-field event, the javelin is launched at a speed of...

In the javelin throw at a track-and-field event, the javelin is launched at a speed of 33.0 m/s at an angle of 38.4 ° above the horizontal. As the javelin travels upward, its velocity points above the horizontal at an angle that decreases as time passes. How much time is required for the angle to be reduced from 38.4 ° at launch to 17.8 °?

In the javelin throw at a track-and-field event, the javelin is launched at a speed of...

In the javelin throw at a track-and-field event, the javelin is launched at a speed of 24 m/s at an angle of 37° above the horizontal. As the javelin travels upward, its velocity points above the horizontal at an angle that decreases as time passes. How much time is required for the angle to be reduced from 37° at launch to 20°? ____s
block release point 6. A plane flies at 198 km/h (=55 m/s) and a constant elevation...

block release point 6. A plane flies at 198 km/h (=55 m/s) and a constant elevation toward directly a point A. The pilot wants to release a block so that it hits the point A as shown below. What should be the speed (magnitude) and the angle, 0, of the pilot's line of sight to the point when the release is made. g=10m/s", trajectory of block Line of sight
A javelin thrower exerts a horizontal force of 300 N on a 3 kg javelin during...

A javelin thrower exerts a horizontal force of 300 N on a 3 kg javelin during the execution of a throw (assume vertical force is equal to 0 N). Over the course of the throw, his hand and the javelin move through a horizontal displacement of 2.0 m. If the javelin’s initial horizontal velocity is equal to 0 m/s, how would the gravitational potential energy change over the course of the throw? a. Gravitational potential energy will increase b. Gravitational...

Consider a projectile of mass 20 kg launched with a speed 9 m/s at an elevation...

Consider a projectile of mass 20 kg launched with a speed 9 m/s at an elevation angle of 45 degrees. Taking the launch point as the origin of your coordinate system--- What is the magnitude of the angular momentum at launch? kg m/s What is the magnitude of the angular momentum at the instant it reaches maximum height? kg m/s What is the magnitude of the angular momentum at impact?
A football is kicked at 18 m/s at an angle of 40⁰. Assuming takeoff and landing...

A football is kicked at 18 m/s at an angle of 40⁰. Assuming takeoff and landing heights are the same, how long is the football airborne (in s)? Neglect air resistance.
A sail boat approaches a dock at.500 m/s. A piece of landing equipment needs to be...

A sail boat approaches a dock at.500 m/s. A piece of landing equipment needs to be thrown into the ship before it arrives at the dock. The equipment is thrown at 12.5 m/s at an angle of 55 degree above the horizontal from the top of a light house that is 9 meters above the deck of the boat. What is the furthest distance (D) the boat sail can be and still catch the landing equipment? What is the maximum...

In the absence of air resistance, a projectile that lands at the elevation from which it...

In the absence of air resistance, a projectile that lands at the elevation from which it was launched achieves maximum range when launched at a 45∘ angle. Suppose a projectile of mass m is launched with speed v0 into a headwind that exerts a constant, horizontal retarding force F⃗ wind =−Fwindi^. By what percentage is the maximum range of a 0.900 kg ball reduced if Fwind = 0.600 N ? Already got the wrong answer with the following values: 8.45%,...