šŸ·ļø LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION ā†’
Log in
Physics
4
answers
1
watching
276
views

A rifle has a muzzle velocity of 368 m/s. If you're 20.0 m from a target the same height as the rifle, at what angle above the horizontal should you aim in order to hit the target? Give your answer in degrees. Ā 

Watch
4
answers
1
watching
276
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Already have an account? Log in
Share
Already have an account? Log in
Share
Already have an account? Log in
Share

Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

3.) A rifle of 3.0 kg is fired. The velocity of a 10-gbulletat the muzzle is 300 m/s. It takes 0.005 s for the bullet toreachthe muzzle. Find a) the average force acting on the bullet;b) therecoil velocity of the rifle.
4.) A 1500-kg car at rest at a stop sign is hit frombehind bya 2500-kg truck at a speed of 10 m/s. They are entangledand skidtogether for a distance of 4.8 m. Find a) their speedright afterthe collision; b) the acceleration during the skid.
5.) A 3200-kg satellite revolves in a uniform circularmotionaround the Earth at a height of 500 km. Find a) thegravitationalforce due to the Earth; b) the speed of thesatellite.(The mass ofthe Earth is 5.98 x 1024 kg andthe radius of the Earthis 6370 km.)
3.) A rifle of 3.0 kg is fired. The velocity of a 10-gbulletat the muzzle is 300 m/s. It takes 0.005 s for the bullet toreachthe muzzle. Find a) the average force acting on the bullet;b) therecoil velocity of the rifle.
4.) A 1500-kg car at rest at a stop sign is hit frombehind bya 2500-kg truck at a speed of 10 m/s. They are entangledand skidtogether for a distance of 4.8 m. Find a) their speedright afterthe collision; b) the acceleration during the skid.
5.) A 3200-kg satellite revolves in a uniform circularmotionaround the Earth at a height of 500 km. Find a) thegravitationalforce due to the Earth; b) the speed of thesatellite.(The mass ofthe Earth is 5.98 x 1024 kg andthe radius of the Earthis 6370 km.)

A cannon with a muzzle speed of 1 000 m/s is used to start an avalanche on a mountain slope. The target is 2 000 m from the cannon horizontally and 800 m above the cannon. At what angle, above the horizontal, should the cannon be fired?

Weekly leaderboard

Home
Homework Help 3,900,000
Physics 110,000
Start filling in the gaps now
Log in