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Velocity and Acceleration
Page 2
Questions (230)
The velocity V ms^-1, of a moving body at time t seconds is given V = 5t^2 – 12t + 7
Calculate the acceleration when t = 2
3 answers
asked by
kudu
716 views
A ball dropped from a sixth floor window accelerates at 10 m/s
After 2 seconds it hits the ground. It bounces back with a
3 answers
asked by
Anonymous
1,190 views
A motorcyclist sees a branch in the road, and slows down at -6.42 m/s?. If it takes them 2.85s to stop, what was their starting
3 answers
asked anonymously
38 views
A tennis ball is dropped from 1.41m above the ground. It rebounds to a height of 0.932 m.The acceleration of gravity is 9.8 m/s2
5 answers
asked by
sandhu
1,143 views
2 cars are moving in same direction in parallel lanes along a highway. At some instant velocity of car A exceeds car A exceeds
6 answers
asked by
~christina~
1,111 views
A meteor streaking through the night sky is located with radar. At point A its coordinates are (5.20km,1.20km), and 1.16s later
4 answers
asked by
Amy
833 views
Walking down a long moving escalator, Phil covered 75 m in distance in 25 seconds. Walking back up against the motion of the
2 answers
asked by
Allison
621 views
You’re traveling at 3 m/s North on your bike when you realize you are going to be late to school. You pump into high gear and
1 answer
asked by
Karam
237 views
A motorist traveling with a constant speed of 15m/s passes a school-crossing corner, where the speed limit is 10m/s. Just as the
9 answers
asked by
jayven march
743 views
ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
A missile is fired
2 answers
asked by
Caden Williams
949 views
A 580-g squirrel with a surface area of 855 cm2 falls from a 5.2-m tree to the ground. Estimate its terminal velocity. (Use the
3 answers
asked by
Anonymous
2,390 views
Problem 1- A dog running in an open field has components of velocity vx = 2.2m/s and vy = -2.5m/s at time t1 = 12 s. For the
3 answers
asked by
Maryam
1,626 views
When you run around a track at 5 km/h, your velocity is accelerating.
true false I think it is true...?
3 answers
asked by
Cassie
601 views
A dog running in the +y-direction at 6.0 hears its owner call from behind, and 2.7 later it's running at the same speed in the
2 answers
asked by
Marissa
583 views
A car is traveling on an interstate highway:
a) Can the car have a negative velocity and a positive acceleration at the same
2 answers
asked by
sarah
710 views
A car is traveling due east at 25.0 m/s. If it accelerates at 0.750 m/s^2 due east find it's velocity after 8.50 s have elapsed.
3 answers
asked by
Duane
778 views
An unmarked police car traveling a constant 95km/h is passed by a speeder traveling 14km/h .Precisely 2.50s after the speeder
4 answers
asked by
bill
792 views
A cyclist is cycling at a uniform velocity of 8m/s for 8 seconds. He then stops paddling and
the cycle comes to rest in next ten
3 answers
asked by
aisha
1,878 views
A 109 kg fullback runs at the line of scrimmage.
(a) Find the constant force that must be exerted on him to bring him to rest in
3 answers
asked by
Anonymous
586 views
t(sec) | 0 | 2 | 4 | 6 | 8 |
____________|_____|_____|_____|____|_____| a(t) (ft/sec²) | 2 | 3 | 4 | 3 | 2 | The table for the
3 answers
asked by
Erica
934 views
A car travels along a highway with a velocity of 24 m/s, west. The car exits the highway and 4.0 s later,
its instantaneous
3 answers
asked by
axel
2,526 views
A car is traveling along a straight road at a velocity of +36.0 m/s when its engine cuts out. For the next ten seconds, the car
3 answers
asked by
Papito
895 views
Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +19.0 km/s to −19.4 km/s
4 answers
asked by
Brett
4,535 views
1. Over which interval is the velocity greatest?
FILL IN THE BLANK ____ 2. Over which interval(s) is the velocity zero? FILL IN
5 answers
asked by
random person who probly takes the same class as you
1,366 views
A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial victory of 11.5m/s and accelerates at
2 answers
asked by
Alice flomo
50 views
A toy race car zooms across the ground with an acceleration of 2.8 m/s^2. After 4 seconds it has a final velocity of 22.2 m/s,
6 answers
asked anonymously
587 views
An object is moving along the x direction with a velocity (in mks units) given by
vx = 3 t^4 − 12 t^3 + 12 t^2 + v0x Answer the
1 answer
asked by
Daniel
245 views
A glider is initially moving at a constant height of
3.62 m. It is suddenly subject to a wind such that its velocity at a later
1 answer
asked by
Naruto
375 views
7. The rate at which velocity changes is?
A. Acceleration B. Direction C. Speeds D. Velocity 8. Which is the example of velocity?
6 answers
asked by
Bella
1,317 views
A particle moves along the x-axis so that at any time t≥0, its velocity is given by v(t)=t^2-16t+4 What is the velocity of the
2 answers
asked by
Angela
834 views
1. Over which interval is the velocity greatest?
FILL IN THE BLANK ____ 2. Over which interval(s) is the velocity zero? FILL IN
3 answers
asked by
Leet Speaker
785 views
A runner is going 3.00 m/s. When he sees the finish line he accelerates at a constant rate of 0.219 m/s2 for the last 11.2
1 answer
asked by
Debbie
361 views
can a initial velocity from the average acceleration formula (Aav=Vf-Vf/t) be negative?
1 answer
asked by
hi! help me.
341 views
true false The speed of a particle is always positive.
True False The average speed of a particle is equal to the magnitude of
2 answers
asked by
Robin
1,161 views
A mouse pushes a piece of cheese with a mass of 6.4 g for a distance of 75 cm over a frictionless surface. He exerts a constant
2 answers
asked by
Gavin
519 views
A particle is moving along the x-axis so that at time t its acceleration is
a(t)=ðcos(ðt) At time t=1/2, the velocity v of the
4 answers
asked by
Savannah
1,475 views
(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it
directly over a
2 answers
asked by
math
648 views
VI. Analyzing the Data:
8. Type Answer HERE: The speed is constant. The distance remains unchanged. The direction of motion stays
3 answers
asked by
Latina baddie ✧
131 views
The velocity of a sports car is graphed as a function of time . Use the graph to answer the questions.
a) Find the sports car’s
2 answers
asked by
AnaLuisa
604 views
a hiker travels north at 200m/s north and then turns and travels 200 m/s south. what is:
a) the average speed b) the average
1 answer
asked by
nabeelah
431 views
A student driver is travelling at 22.2 m/s and sees a school zone ahead. Using her brakes, she accelerates at -2.8 m/s2 to
3 answers
asked by
eric
448 views
The velocity of an object is +47 meters per second at 3.0 seconds and is +65 meters per second at 12.0 seconds. The average
2 answers
asked by
EJ
891 views
Which statement is true?
(1 point) Responses The object’s velocity is increasing. The object’s velocity is increasing. The
3 answers
asked anonymously
40 views
A car that is traveling west at a constant rate has(1 point)
Responses velocity, but neither acceleration nor speed. velocity,
3 answers
asked anonymously
67 views
The graph shows an object’s distance traveled over a period of time.
Which statement is true? The object’s acceleration is
3 answers
asked anonymously
56 views
-vehicle 1: 2,060lbs
-vehicle 2: 5,800lbs -both roads are 45mph -The cars were impacted at right angles -roadway was dry, 69
1 answer
asked by
Esora
395 views
The graph below shows a cyclist’s velocity over a period of time. Describe the cyclist’s acceleration. (1 point) Responses
3 answers
asked anonymously
70 views
A car that is traveling west at a constant rate has
speed and velocity, but no acceleration. velocity, but neither acceleration
3 answers
asked anonymously
15 views
An object initially at rest experiences an acceleration of 1.4 m/s^2 for 5.0s and then travels at that constant velocity for
2 answers
asked by
Kelly
996 views
a particle moving at a velocity of 6 m/s in the positive x direction is given an acceleration of 3.9m/s^2 in the positive Y
4 answers
asked by
vanessa
1,330 views
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Parent Categories (15)
Calculus
Circular motion
Differentiation and Integration
Force and Motion
Forces and Motion
Kinematics
Measurement and Calculation
Mechanics
Motion
Motion / Kinematics
Motion and Forces
Motion and Gravity
Motion and Speed
Particle motion
Physics