the worls record for the hundred meter dash is 9. 58, what is the corresponding average speed in units of m/s, km/h, ft/s, mi/h?

Q: When the breaks are applied on a car running with an initial speed of 44 ft/s, it stops in 2…

A: given data, initial speed, u = 44 ft/s = (44×0.3048)=13.4112 m/s after break is applied , time taken…

Q: By how much has the velocity of the object changed over the period of 20 seconds?

A: Divide the graph into the standard figure as shown below.

Q: What's the difference between velocity and acceleration?

A: Velocity is the rate of displacement of an object. It is measured in m/s. Acceleration is the rate…

Q: Which gives a better order of magnitude calculation of final velocity of a rocket starting at rest,…

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Q: During a test, a rocket travels upward at 79.3 m/s. When it is 49.73 m above the ground, its engine…

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Q: If a ball is thrown into air with a velocity of 40 ft/s, its height (in feet) after 2 seconds is…

A:

Q: Aball is thrown downward from the top of a roof with a speed of 25 m/s .After 2 s , its velocity…

A: The given data are: u=-25 m/st=2 s Here, u denotes the initial speed and t denotes the time.

Q: unction of time given by the (+) – (7 40 cm) cos [(A (t) 7 Δ0

A: Given values:- Mass,(m)=2.50 kg ----(1) Time,(t)=1 sec ----(2) Spring has displacement function as:-…

Q: A tosr taise. a olie tamee af 120 matrer in moves 20 minutes . Whet is the averoge speed af tortase…

A: Given data:  Distance (d) = 120 m Time (t) = 20 min Required: The average speed in km/h

Q: A brick was dropped from rest from a height of 16.8 m. How long does it take the brick to reach the…

A: Given, Height h = 16.8 m acceleration g = 9.81 m/s initial velocity u = 0 m/s We know the expression…

Q: What is the displacement for Wylie Coyote if he falls through the air for 5.00 seconds? What was his…

A: Given data The time is t=5.00 s As Wylie Coyote falls, its initial velocity u=0 m/s The displacement…

Q: IN, TIOW long take to increase the speed of the train from rest to 20 m/s? Оа. 300s

A:

Q: What is the initial velocity of a Jeep uniformly accelerated at a rate of 0.2m/s² so that it travels…

A: Solution: Given that a = 0.2 m/s2 s = 0.75 km = 750 m t = 50 s

Q: A student who aspires to ace his quiz in Phys134 went to a wishing well. He dropped his first…

A:

Q: a projectile fired from a canon travels 450 meters away in 5 seconds, how high did the projectile…

A: Given: The horizontal distance traveled by the cannon ball is 450 m, The time of flight is 5 s.

Q: A golf lesson last from 10 a.m. to 11:15 a.m. and includes a 15-minute break with equal lengths of…

A: Golf lesson time = 10:00 a.m to 11:15 a.m Break time =15 minute

Q: Assume the acceleration of the object is a(t) = −9.8 meters per second per second. (Neglect air…

A:

Q: In the unit of acceleration why does the unit of time occur twice?

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Q: me position (in thousands of feat) of a car aning along a straight rmad at ime tin minutes is givan…

A: The given graph between the position and the time,that means, y-t graphy=s(t)Now, as we know that…

Q: Spud Webb was, at 5 ft 8 in, one of the shortest basketball players to play in the NBA. But he had…

A: Using kinematics, the initial velocity of the player can be obtained as

Q: An object with a velocity of 1 ms accelerates with an acceleration of 1 m s?. What is its velocity…

A: Find final velocity

Q: A body moving in a straight line from rest has an acceleration of 6 meters per second squared. What…

A:

Q: Starting from rest, if the end of the rope at Bis pulled down with an acceleration of ag- 2,1t in…

A:

Q: If a speedometer of a car reads 40 km/he, does the car have constant velocity?

A: The velocity is a vector quantity. It has the speed with a direction.

Q: If a ball is Hrown in the ar with a velocity of 3864/sits hevght in feet afer t secends is by y=…

A: The expression for the average velocity is,

Q: A string is 1.42 m long but the acceleration remains 3.0 m/s, what is the ball's new speed (in m/s)?

A: Given:- string-length (r) =1.42m acceleration (a) = 3 m/s2 Find, New speed of ball's =v Now,…

Q: A fireworks shell shot straight up with am inn initial velocity of 120 feet per second. Its height S…

A: Initial velocity of the shell is u = 120 ft/s Height function is s=120t - 16t2

Q: What was the car's instantaneous velocity in the horizontal direction, in meters per second, when it…

A: Given that,t2=6 sd=22 mt1=16 s

Q: A chunk of ice breaks off a glacier and falls 30.0 meters before it hits the water. Assuming it…

A: It is given that,

Q: what percentage, (vi – vo)/vo, is the top speed of the car increased?

A: Drag force experienced by a vehicle is given by,              FD = - CD A v2…

Q: A body moving with a speed of subjected 5 m/s is. to an accelara- Calcute the speed A tion of 20 m/s…

A: Introduction :  In this question we are provided with value of initial velocity , acceleration and…

Q: A cyclist moves at constant acceleration, passing through two stores that are 70 m apart within 7 s.…

A: The relation between speeds and distance travelled is given by v2-u2 = 2as,where v = final velocity,…

Q: Abaseball is thrown with an initial velocity of (10i + 15j) m/s. When it reaches the top of its…

A: The baseball is thrown upwards, with an initial velocity given as vi=10i+15j Comparing the above…

Q: -What is the average speed in meters per second of a bowling ball that rolls 12 meters down a…

A: The given values are, d=12 mt=3 s

Q: Give an example of an average rate of change that is not a velocity.

A: The average rate of change y= f(x) is given by, dydt=ddtfx And, the average rate of change of…

Q: A football is kicked 60.0 meters. If the ball is in e air 5.00 sec, with what initial velocity was…

A: Given Horizontal range R = 60 m Time of flight T = 5 sec

Q: On the moon where g= 1.6 m/s, a stone was dropped from a certain height and it the ground after 6…

A: Lets take upward direction as positive and downward as negative direction

Q: My number for initial velocity or 2.0, Final velocity is 15 m/s, Time is n/a, distance is 85, so…

A:

Q: What is the distance fallen for a freely falling object 1 s after being dropped from a rest…

A: The motion of freely object is an example of uniformly accelerated motion , here the value of a is…

Q: A world’s land speed record was set by Colonel John P. Stapp when in March 1954 he rode a…

A:

Q: When Stephen skates the rest of the 3 km home from his friend's house, what is his displacement?…

A: Displacement: Displacement is the smallest distance between two points. It is a vector quantity.

Q: A 1.5 kg rocket is shot from the ground with an initial velocity of 50 m/s. How high does go before…

A: