An object could accelerate continuously at 10.0 m/s2, how far would it travel and how long...
An object could accelerate continuously at 10.0 m/s2, how far would it travel and how long would it take to reach: (a) the speed of sound, 334 m/s; (b) the escape speed of a rocket from the earth, 11.2 km/s; (c) 10% of the speed of light? Assume it starts from rest
Homework Answers
Concept : here we use equations of kinematics to find the distance and time,
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An object could accelerate continuously at 10.0 m/s2, how far would it travel and how long...
9) An object could accelerate continuously at 10.0 m/s, how far would it travel and how...
9) An object could accelerate continuously at 10.0 m/s, how far would it travel and how long would it take to reach: (a) the speed of sound, 334 m's. (b) the escape speed of a rocket from the earth, 1 1 .2 km/s; (c) 10% of the speed of light? Assume it starts from rest.
The head of a rattlesnake can accelerate at 59 m/s2 in striking a victim. If a...
The head of a rattlesnake can accelerate at 59 m/s2 in striking a victim. If a car could do as well, how long would it take to reach a speed of 71 km/h from rest?
A sperm whale can accelerate at about 0.100 m/s2 when swimming on the surface of the...
A sperm whale can accelerate at about 0.100 m/s2 when swimming on the surface of the ocean. How far will a sperm whale travel if it starts at a speed of 0.800 m/s and accelerates to a speed of 2.31 m/s ? Assume the whale travels in a straight line.
1. Cheetahs can accelerate to a speed of 20.0 m/s in 2.50 s and can continue...
1. Cheetahs can accelerate to a speed of 20.0 m/s in 2.50 s and can continue to accelerate to reach a top speed of 27.6 m/s. Assume the acceleration is constant until the top speed is reached and is zero thereafter. Let the +?+x direction point in the direction the cheetah runs. Express the cheetah's top speed ?top in miles per hour (mi/h)(mi/h) . vtop = Starting from a crouched position, how much time ?accel does it take a cheetah...
A sperm whale can accelerate at about 0.0800 m/s2 when swimming on the surface of the...
A sperm whale can accelerate at about 0.0800 m/s2 when swimming on the surface of the ocean. How far will a sperm whale travel if it starts at a speed of 0.800 m/s and accelerates to a speed of 2.18 m/s? Assume the whale travels in a straight line. distance traveled:
PLEASE SHOW WORK If we assume that a spaceship could accelerate from rest at a constant...
PLEASE SHOW WORK
If we assume that a spaceship could accelerate from rest at a constant rate of 9.81 m/s2, then how long would it take to reach 2% of the speed of light? (Assume the speed of light = 3.0 x 108 m/s) O 1.8 days O 3.5 days O 3.1 105 s O 6.1* 105 s O 7.1 days
A car sitting at a red light begins to accelerate at 2 m/s2 when the light...
A car sitting at a red light begins to accelerate at 2 m/s2 when the light turns green. It continues with this acceleration until it reaches a speed of 20 m/s. It then travels at this speed for another few minutes. How far does the car travel in the first 45 s after the light changes to green?
1a) A rocket ship in deep space accelerates from rest at a constant rate of 9.6...
1a) A rocket ship in deep space accelerates from rest at a constant rate of 9.6 m/s2, which is close to the acceleration of gravity on earth and would give the sensation of near-normal gravity during the voyage.How long will it take the ship to reach 0.103c (c = speed of light, 3.0 x 108 m/s)? Your answer should be in s, but enter only the numerical part in the box. You can use exponential notation, if desired. For example,...
A car sitting at a red light begins to accelerate at 2 m/s2 when the light...
A car sitting at a red light begins to accelerate at 2 m/s2 when the light turns green. It continues with this acceleration until it reaches a speed of 20 m/s. It then travels at this speed for another few minutes. How far does the car travel in the first 35 s after the light changes to green? Express your answer in meters to one significant figure.
The escape velocity of any object from Earth is 11.2 km/s. (a) Express this speed in...
The escape velocity of any object from Earth is 11.2 km/s. (a) Express this speed in m/s and km/h. speed in m/s m/s speed in km/h km/h (b) At what temperature (in K) would oxygen molecules (molar mass is equal to 32.0 g/mol) have an average velocity Vrms equal to Earth's escape velocity of 11.2 km/s?
9) An object could accelerate continuously at 10.0 m/s, how far would it travel and how long would it take to reach: (a) the speed of sound, 334 m's. (b) the escape speed of a rocket from the earth, 1 1 .2 km/s; (c) 10% of the speed of light? Assume it starts from rest.
A sperm whale can accelerate at about 0.0800 m/s2 when swimming on the surface of the ocean. How far will a sperm whale travel if it starts at a speed of 0.800 m/s and accelerates to a speed of 2.18 m/s? Assume the whale travels in a straight line. distance traveled:
PLEASE SHOW WORK
If we assume that a spaceship could accelerate from rest at a constant rate of 9.81 m/s2, then how long would it take to reach 2% of the speed of light? (Assume the speed of light = 3.0 x 108 m/s) O 1.8 days O 3.5 days O 3.1 105 s O 6.1* 105 s O 7.1 days
The escape velocity of any object from Earth is 11.2 km/s. (a) Express this speed in m/s and km/h. speed in m/s m/s speed in km/h km/h (b) At what temperature (in K) would oxygen molecules (molar mass is equal to 32.0 g/mol) have an average velocity Vrms equal to Earth's escape velocity of 11.2 km/s?
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