Rolling Tennis
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Rolling Tennis
Physics question about a tennis ball's velocity ?
a tennis ball rolls off the edge of a table top 0.750m above the floor and strikes the floor at a point 1.40m horizontally form the edge of the table top. ignore air resistance.
a) find the time of flight
b) find the magnitude of the initial velocity
c) find the magnitude and direction of the velocity of the ball just before it strikes the floor
a. The ball simply falls a distance 0.75 m.
s = (1/2)gt^2
s = 0.75m
g = 9.8 m/s^2
0.75 = (1/2)(9.8)t^2
t = SQRT[1.5/9.8] = SQRT[0.15306]
t = 0.391 seconds
b. The ball rolls off the table so it only has a horizontal velocity component as it leaves the table. It then hits the floor 1.4 meters from the table edge. It does this 0.391 seconds after leaving the table.
speed = distance/time = 1.4/0.391
speed =3.578 m/s
c. The horizontal component we just found in part (b). We just need to find the vertical component and this is due to gravity.
v = g*t = 9.8(0.391) = 3.834 m/s
magnitude = SQRT[(3.834)^2 + (3.578)^2]
magnitude = SQRT[27.502]
magnitude = 5.244 m/s
The direction relative to the floor will be:
tan(Angle) = (vertical component)/(horizontal component)
tan(Angle) = 3.578/3.834 = 0.93321
Angle = 43.021 degrees
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Tennis Court Roll-Dri Water Replacement Roller - new | |
|
US $28.00 | 27d 22h 19m |
|
Tennis Court Roll-Dri Water Roller - new | |
|
US $56.00 | 27d 22h 17m |
|
Yonex Super Grap Tennis Grip Overgrip 30 Roll | |
|
US $59.40 | 25d 4h 2m |
|
Babolat Super Fine Play 130 / 16 gauge Tennis string not full roll | |
|
US $34.99 | 18d 13h 17m |
|
3M SCOTCH VICTOR TENNIS RACQUET GRIP TAPE 36 yd. ROLL | |
|
US $11.50 | 18d 9h 19m |
|
(2) ROLLS VICTOR TENNIS RACQUET GRIP TAPE 1/2" X 36 yd. | |
|
US $15.99 | 16d 7h 35m |
|
(3)VICTOR TENNIS RACKET GRIP TAPE 36 yd. x 1/2" ROLL 3M | |
|
US $22.49 | 7d 9h 20m |
|
Wilson Triad Tennis Racket Travel Racquet Ball Carrying Case Racket Rolling Bag | |
|
US $28.88 | 16d 22h 17m |
|
3M SCOTCH VICTOR TENNIS RACQUET GRIP TAPE 3 ROLLS | |
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US $27.00 | 5d 23h 47m |
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Tecnifibre Tour VO2 Rolling Bag NEW Tennis bags Sac | |
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US $99.95 | 3d 22h 19m |
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Unique Tourna Tac, Tacky Feel Tennis Grip, White/Blue/Pink, 3/Roll Pack, New | |
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US $8.06 | 3d 19h 44m |
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TENNIS BALL Tennis ball Mousepad by CafePress $13 Keep your mouse rolling in style on our durable cloth top mousepad. A great gift for geeks, gamers, or anyone with a computer. Rubber backing prevents the mousepad from sliding. Machine washable. Tennis ball Mousepad Keep your mouse rolling in style on our durable cloth top mousepad. A great gift for geeks, gamers, or anyone with a computer. Rubber backing prevents the mousepad from sliding. Machine washable. |
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Tennis Mousepad by CafePress $13 This was made for my Niece who is a 10-yr old tennis prodigy. Hope she gets rich and gives me some Mousepad Keep your mouse rolling in style on our durable cloth top mousepad. A great gift for geeks, gamers, or anyone with a computer. Rubber backing prevents the mousepad from sliding. Machine washable. |
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Bagled Beagle Tennis Mousepad by CafePress $13 Keep your mouse rolling in style on our durable cloth top mousepad. A great gift for geeks, gamers, or anyone with a computer. Rubber backing prevents the mousepad from sliding. Machine washable. Tennis Mousepad Keep your mouse rolling in style on our durable cloth top mousepad. A great gift for geeks, gamers, or anyone with a computer. Rubber backing prevents the mousepad from sliding. Machine washable. |
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Sega Superstars Tennis $18.99 1 2008-03-18 4 Zany SEGA Characters with Superstar Abilities: Each of the 16 characters has their own superstar alter-ego, which gives them the winning edge on the court. Ten Fantastical Themed Courts: Guest umpires will supervise the action on a wide variety of colorful courts, from Sonic's lush Green Hill Zone to Ulala's galactic Space Channel 5 world, just to name a couple. Four Action-Packed Tournaments: As you slice your way through the competitive tournaments, you will unlock loads of bonus content. Classic Soundtrack: Faithfully recreated in full Dolby Digital 5.1, treasured SEGA tunes will entertain SEGA fans new and old. Sixteen fan-favorite SEGA characters from Sonic to NiGHTS are serving up non-stop fun in SEGA Superstars Tennis. Multiple madcap mini-games will keep the party rolling and up to four friends can challenge each other in tournaments, exhibitions and unlockable special events. With hilarious cameos and comical guest umpires from SEGA's rich gaming history, this fun-filled tennis party is guaranteed to be a smashing good time for the whole family! E10+ (Everyone 10 and older) Game Mild Blood Mild Fantasy Violence Mild Suggestive Themes No Not Applicable SEG65015 Sega Software Sports Game Superstars Tennis Wii Yes www.sega.com |
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Elsik Hill Rolling - Tennis [[THE DANIELS]]
How can you find the time of flight for a tennis ball that rolls off the edge of a tabletop?
Im so lost the question asks for time of flight for the ball but the only information im givin is A tennis ball rolls off the edge of a tabletop of height 0.810 above the floor and strikes the floor at a point a horizontal distance 1.40 from the edge of the table. You can ignore air resistance. Take the free fall acceleration to be = 9.80 . Someone please help!!
use the second Newton's law
