political question needing help Humanities Assignment Help

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The investigative power of Congress

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A powerful motorcycle can accelerate from rest to 24.8 m/s (55 mi/h) in only 5.9 Science Assignment Help

A powerful motorcycle can accelerate from rest to 24.8 m/s (55 mi/h) in only 5.90 s.

(a) What is its (constant) acceleration?
 m/s2
(b) How far does it travel in that time?
 m

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An unwary football player collides with a padded goalpost while running at a vel Science Assignment Help

An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s and comes to a full stop after compressing the padding and his body 0.450 m.

(a) How long does the collision last?
 s
(b) What is his deceleration?
 m/s2

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A bicycle racer sprints at the end of a race to clinch a victory. The racer has Science Assignment Help

A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 12.5 m/s and accelerates at the rate of 0.550 m/s2 for 7.00 s.

(a) What is his final velocity?
 m/s
(b) The racer continues at this velocity to the finish line. If he was 300 m from the finish line when he started to accelerate, how much time did he save?
 s
(c) One other racer was 5.00 m ahead when the winner started to accelerate, but he was unable to accelerate and traveled at 12.7 m/s until the finish line. How far ahead of him (in meters and in seconds) did the winner finish?
distance
 m
time
 s

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A bicycle racer sprints at the end of a race to clinch a victory. The racer has Science Assignment Help

A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 12.5 m/s and accelerates at the rate of 0.550 m/s2 for 7.00 s.

(a) What is his final velocity?
  m/s
(c) One other racer was 5.00 m ahead when the winner started to accelerate, but he was unable to accelerate and traveled at 12.7 m/s until the finish line. How far ahead of him (in meters and in seconds) did the winner finish?

distance
  m

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In a slap shot a hockey player accelerates the puck from a velocity of 5.00 m/s Science Assignment Help

In a slap shot a hockey player accelerates the puck from a velocity of 5.00 m/s to 60.0 m/s in the same direction. If this takes 3.33 ✕ 10-2 s, calculate the distance over which the acceleration acts.

 m

In a slap shot a hockey player accelerates the puck from a velocity of 5.00 m/s Science Assignment Help[supanova_question]

A student drove to the university from her home and noted that the odometer on h Science Assignment Help

A student drove to the university from her home and noted that the odometer on her car increased by 16.0 km. The trip took 18.0 min.

(a) What was her average speed?
 km/h 
(b) If the straight-line distance from her home to the university is 10.3 km in a direction 25.0° south of east, what was her average velocity?
 km/h (25° S of E) 
(c) If she returned home by the same path 7 h 30 min after she left, what were her average speed and velocity for the entire trip?
average speed
 km/h 
average velocity 
 km/h

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A commuter backs her car out of her garage with a constant acceleration of 1.60 Science Assignment Help

A commuter backs her car out of her garage with a constant acceleration of 1.60 m/s2.

(a) How long does it take her to reach a speed of 1.60 m/s?
 s
(b) If she then brakes to a stop in 0.8 s, what is her (constant) deceleration?
 m/s2

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Assume that an MX missile goes from rest to a suborbital velocity of 9.50 km/s i Science Assignment Help

Assume that an MX missile goes from rest to a suborbital velocity of 9.50 km/s in 30.0 s (the actual speed and time are classified). What is its average acceleration in m/s2

 m/s2 
What is its average acceleration in multiples of g?
 g

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(a) A light-rail commuter train accelerates at a rate of 1.15 m/s2. How long doe Science Assignment Help

(a) A light-rail commuter train accelerates at a rate of 1.15 m/s2. How long does it take it to reach its top speed of 80.0 km/h starting from rest?

 s
(b) The same train ordinarily decelerates at a rate of 1.65 m/s2. How long does it take to come to a stop from its top speed?
 s
(c) In emergencies the train can decelerate more rapidly, coming to rest from 80.0 km/h in 8.30 s. What is its emergency deceleration in m/s2?
 m/s2

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political question needing help Humanities Assignment Help

political question needing help Humanities Assignment Help

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