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IceJOKER [234]
2 years ago
6

Cheetahs the worlds fastest land animals can run up to about 125km/h. a cheetah chasing an impala runs 32m [N], then suddenly tu

rns and runs 46m [W] before lunging at the impala. the entire motion takes only 2.7seconds. 
a) determine the ceetahs average speed for this motion.
b) determine the cheetahs average velocity
Physics
1 answer:
AleksAgata [21]2 years ago
3 0
Av Speed = total distance / time time = 32+ 46 / 2.7 = 28 m/sec
Av velocity = total displacement / time total = S / t
S = sqrt( 32^2 +46^2) = 56 m
Av Velocity = 56/ 2,7 = 20.75 m/sec
with angle tan^-1 = 0.7 north west ( about 35 degrees north west)
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2 years ago
A 0.10 kg baseball travelling at 40 m s−1 hits straight back to the pitcher at 55 m s−1. The contact time is 0.01 seconds. What
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1.5 kgms⁻¹

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Change in momentum (ΔΡ) = m(Δv)

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7 0
3 years ago
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Answer:

C) stomach acid

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D is wrong due to water have very little to hydrogen ion concentration. tomato juice has acids but it doesn't remove things like stomach acid. oven cleaner does remove some items, but not in a fast fashion like stomach acid. Stomach acid is extremely acidic and will melt about anything that comes in contact. burn is known for doing serious damage if it gets past the stomach lining.

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at a temperature of 10 c,700 ml of hydrogen is collected. if this gas is put into a 1000 ml container what will its new temperat
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14.3°C

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Find the ratio of 10°C : 700ml then use the same ratio to 1000ml.

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