10) An object has a position given by [2.0 m+ (5.00 m/s)] + [3.0 m - 2.00 m/s2)/2, where quantities 7 are in SI units. What is the speed of the object at time -2.00 s? 10) A) 7.65 m/s B) 7.00 m/s C) 13.0 m/s D) 6.40 m/s E) 9.43 m/s

Q: 15. If the fastest marathon runner in the world, has a speed of 1.5 m/s, how fast is this in cm/s? *…

A: From the question it is given that:  Speed of fastest marathon runner: v = 1.5ms  Since, 1m = 100 cm…

Q: A plane and submarine are both travelling at Mach 2. Which of the following statements are true?…

A: Mach number for plane = 2 Mach number for submarine = 2

Q: The velocity time (v-t) graph is shown in Figure.1. Evaluate 25 (a) the acceleration for Line-A (b)…

A:

Q: 8. From the slope of the best-fit line, determine the average acceleration. Record this information…

A:

Q: 8. From the slope of the best-fit line, determine the average acceleration. Record this information…

A: From best fit line, at t= 0s , v = 0cm/s and at t= 0.15s , v = 133.33 cm/s Slope of best fit line =…

Q: A car travels from A to B at an average speed of 80 kph and back to A without loss of time at an…

A: Given Average speed of car when it move from A to B = 80 kph Average speed of car when it move from…

Q: A car traveling 67 km/hkm/h slows down at a constant 0.51 m/s2m/s2 just by "letting up on the gas."…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: 52) Given the position function s(t) = t^4 - 3t^3 + 2t^2 - 5,  where s is measured in meters and t…

A: Acceleration is defined as the rate of change of velocity and velocity is defined as the rate of…

Q: Question 5 (- --) The speed of a particle at time t is given by the equation: s(t) = 4+ 2.01ť?…

A: s(t) = 4 + 2.01t2  To find = a) rate of speed change at t = 1                b) Units for rate at…

Q: A runner is moving with a speed of 2.68[m/s]. How long will it take the runner to complete a 5.0[km]…

A: The expression for find time taken by the runner to complete the race is t=dv

Q: Given: x - coordinate: x = -5.00sinwt, where w is constant, x is meters, and t is seconds y –…

A:

Q: 0780938042 Aall dal 1) An object has a position given by r [2+30]1+ [3-2t1. What is the seed of the…

A: Given: The position equation of the particle is r=2+3ti^+3-2t2j^. Introduction: The rate of change…

Q: 12. You are driving home from at 85.0 km/h for 130. km, then you slowed down to 70.0 km/h. You…

A:

Q: d. Refer to your graph: What is the distance the object will travel att= 12 seconds f. What is the…

A: From the given table it is clear that on increasing the time 1 s time the distance increased by 0.2.…

Q: Given the Velocity-Time graph of an object moving in straight line. Find the average speed and…

A:

Q: Which of the following two speeds is the fastest? ( 1 mile = 1609 m) - a.) 20 meters/minute - b.)…

A: Here, we will convert both speeds into (S.I) units i.e (m/s)- (a). 20 meters/minute 20metersminute =…

Q: A car that is moving at 72.0 km·hr−1 slows down uniformly to a speed of 36.0 km·hr−1 in 5.00 s. a)…

A:

Q: A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20…

A: Given that-Speed in first Journey, s1=50 km/hrTime in first Journey, t1=8 minutes=860 hoursSpeed in…

Q: vertically upward 25. A stone is thrown with an initial speed of 19.5 m/s. It will rise to what…

A: Given, the initial velocity of the stone, u=19.5 m/s acceleration due to gravity, g=9.8 m/s2…

Q: 6. Consider the velocity-time graph shown below. Which section has the smallest v (m/s) 4 3 لی 2 1…

A: The velocity is a vector quantity. It has both magnitude and direction. The negative value of…

Q: a) How long does it take John to cover the distance if he does half the distance at 6.3 kilometers…

A: John is travelling with speed 6.3 km/hour half distance and at 1.2 km/hour half distance .  We know…

Q: On a railway line operating between two cities, the operating speed of the passenger train is 140…

A: The operating speed of the passenger train ( ) is 140 km/h and the speed of the freight train () is…

Q: PLEASE ANSWER IN 10 MINUTES ! ! ! A stone is dropped off a cliff. After this stone has traveled a…

A: Given 1. One stone at top 2. Another stone falling and at distance d from above To find  The…

Q: height h Time Time Mean time t Mean t1 (s) t2 (s) t? (s?) h/t2 (m/s?)| h/t2 (m/s?) g (m/s²) (cm) (s)…

A:

Q: 11)If you are driving a car with a speed of 55 miles per hour, what is your approximate speed in…

A: To answer: The approximate speed in nanometer per second.

Q: 3) division is one unit. An object's (one dimensional) motion is represented by the following graph.…

A:

Q: 29. A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to…

A: Given value--- length of train = 150 m. velocity of train = 45 km/h . length of bridge = 850 m. We…

Q: Of the following physical quantities: I. Distance. II. Position. III. Speed. IV. Speed. V.…

A:

Q: A block, initially at ₁ = (31 +ĵ) m moves to r2 = (61 + 5j) m in 5 seconds. What is the magnitude of…

A: Initial position vector is Final position vector is Time is Find:The magnitude of average velocity.

Q: If a car traveling at 60.0 km/h [S] stops in a time of 3.50 s, its acceleration is:       A)  4.77…

A: Given that  initial velocity of car (u)   u=60 Kmh⇒u=60×100060×60 ms⇒u=16.66 ms time (t) t=3.50 s

Q: 1. Where and when will they meet? What assumption did you make? Draw a graphical representation to…

A: The two persons, A and B are running towards each other, A with a velocity of 8 m/s and B with a…

Q: which of the following speeds is the fastest? a. 4.2 ' 10^-2 km/s b. 1.4 ' 10^2 km/s c. 4.0 '…

A:

Q: 4) Use the graph to find the average velocity from x (m) 10 a) Os to 2 s b) 2 s to 4 s c) 4 s to 5 s…

A:

Q: 8) What is the slope of this velocity-time graph? Use appropriate units. Velocity (m/s) 25 20 5 s,…

A: We know that, the slope of the line on a velocity versus time graph is equal to the acceleration of…

Q: time position (s) (cm) 0.01 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.14 0.15 0.16 0.17…

A: The slope of velocity-time graph is acceleration.

Q: e the distance traveled during this perio

A: The image you sent shows the velocity graph of a car accelerating from rest to a speed of 120 km/h…

Q: 2) A boy drops a coin off a bridge, the Cein lands in the water after 1.2.S. What is the speed of…

A:

Q: A road journey takes 5 h 30 min at 90.0 km/h. How much time would be saved by traveling at 1”0 on/h…

A: Dear student,Since both questions are different as per guidelines I can author only firstone. Please…

Q: 1. The wave function that describes a certain transverse wave at initial time t=0 is yoc,…

A: Since you have asked multiple sub-parts, only the first three subparts are solved for you. If you…

Projectile Motion