81. The following diagram shows the muzzle of a cannon located 50. meters above the ground. When the cannon is fired, a ball leaves the muzzle with an initial speed of 250 meters per second. [Neglect air resistance]. Muzzle Horizontal Cliff 50. m Ground Which action would most likely increase the time of flight of a ball fired by the cannon? (1) pointing the muzzle of the cannon toward the ground (2) moving the cannon closer to the edge of the cliff (3) positioning the cannon higher above the ground (4) giving the ball a greater initial horizontal velocity 82. A football player kicks a ball with an initial velocity of 25 meters per second at an angle of 53° above the horizontal. The vertical component of the initial velocity of the ball is (1) 25 m/s (2) 20. m/s (3) 15 m/s (4) 10. m/s

81. The following diagram shows the muzzle of a cannon located 50. meters above the ground. When the cannon is fired, a ball leaves the muzzle with an initial speed of 250 meters per second. [Neglect air resistance]. Muzzle Horizontal Cliff 50. m Ground Which action would most likely increase the time of flight of a ball fired by the cannon? (1) pointing the muzzle of the cannon toward the ground (2) moving the cannon closer to the edge of the cliff (3) positioning the cannon higher above the ground (4) giving the ball a greater initial horizontal velocity 82. A football player kicks a ball with an initial velocity of 25 meters per second at an angle of 53° above the horizontal. The vertical component of the initial velocity of the ball is (1) 25 m/s (2) 20. m/s (3) 15 m/s (4) 10. m/s

Name: please help with question number 81 and 82 81. The following diagram s
Uploaded: 2024-03-20T06:57:47.000Z
Channel: Bartleby
Description: please help with question number 81 and 82 81. The following diagram shows the muzzle of acannon located 50. meters above the ground.When the cannon is fired, a ball leaves themuzzle with an initial speed of 250 meters persecond. [Neglect air resista

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 54P: The Lunar Roving Vehicle used In NASA’s late Apollo missions reached an unofficial lunar land speed...

See similar textbooks

Similar questions

The Lunar Roving Vehicle used In NASA’s late Apollo missions reached an unofficial lunar land speed of 5.0 m/ s by astronaut Eugene Cernan. If the rover was moving at this speed on a flat lunar surface and hit a small bump that projected it off the surface at an angle of 20 , how long would it be “airborne” on the Moon?
A father demonstrates projectile motion to his children by placing a pea on his forks handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose the pea is launched at 8.25 m/s at an angle of 75.0 above the table. With what speed does the pea strike the ceiling 2.00 in above the table?
Professional baseball player Nolan Ryan could pitch a baseball at approximately 160.0 km/h. At that average velocity, how long did it take a ball thrown by Ryan to reach home plate, which is 18.4 m from the pitcher’s mound? Compare this with the average reaction time of a human to a visual stimulus, which is 0.25 s.
Between two points, which may be greater in magnitude, distance or displacement?
Figure 2.14(b) shows a multiflash photograph of one ball dropped from rest and, at the same time, another ball projected horizontally from the same height. The two hit the floor at the same time. Explain.
While scavenging for acorns before the big winter, Scrat the Squirrel leaves his tree house and skitters along 8.00 m at a heading of 40.0° SoE to collect two acorns. Then, he traipses off 10.0 m West to snag another acorn. Finally, he sees a big prize and hurriedly rushes 12.0 m at 20.0° EoN. If he must now make it back to his tree house, how far and in what direction should he head to go home? I know the answer I just don’t know how to get it. Answer: 6.14 m @ 87.8° NoE Thanks!!
Two cars, one going due West at the rate of 100 km/hr and the other goingNorth at the rate of 70 km/hr, are traveling toward the intersection of the tworoads. At what rate are the cars approaching each other at the instant when thefirst car is0.3 km and the second car is 0.2 km from the intersection?
the leprechaun in the shamrock patch was named O'Malley and since he was disrupted from sitting in his patch he decided to go off and play a round of his favorite sport in where leprechaun kick a gold coin from a tee into a post 317m away. if he kicked the coin at an angleof 60 degree at a velocity of 60 m/s how high was the arch of the rainbow created by the trajectory? how long did it take to get to the pot?
A juggler throws a ball straight up into the air. If the ball returnsto its original position in the juggler’s hand in 0.98 s, what was itsmaximum height above the juggler’s hand?
A person tosses a ball for her puppy to retrieve. The ball leaves herhand horizontally with a speed of 4.6 m>s. If the initial height ofthe ball is 0.95 m above the ground, how far does it travel in thehorizontal direction before landing?
A car moves at 95km/h past a police car that stops by the side of the road. One minute later, thepolice car chasesat0.9m/s2. How far the police car reachesthe car?
Coast Guard rescue swimmers are trained toleap from helicopters into the sea to save boaters in distress. Therescuers like to step off their helicopter when it is “ten and ten,”which means that it is ten feet above the water and moving forward horizontally at ten knots. What are (a) the speed and (b) thedirection of motion as a rescue swimmer enters the water following a ten and ten jump?