body is moving with a constant acceleration of 11î + 2ĵ, starting from î + ĵ. What will be the position of the body after 10s? a) 551î + 101ĵ b) 550î + 100ĵ c) 100î – 550ĵ d) 550î – 550

Q: uniformly accelerating body covers a distance of 10 m in the 3rd second and 16 m in the 6th second.…

A: By Second equation of motion : s = ut + at22 Equation 1 : 10 = u + (5a/2) Equation 2 : 16 = u +…

Q: A body moves in a straight line so that its acceleration is a=3v, where a is in m/s2 and v in m/s.…

A: a= 3v  If S= 3m when v= 1.2m/s

Q: A train traveling at vo = 20.0 m/s begins to brake by applying a velocity-dependent instantaneous…

A: Write the expression for the velocity.

Q: Paola can flex her legs from a bent position through a distance of 22.1 cm. Paola leaves the ground…

A:

Q: S roller coaster rapidly picks up speed as it roles down a slope. As it startx down the slope the…

A:

Q: The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows…

A:

Q: 4. An astronaut drops a rock on an asteroid. The rock is released from a height of 1.45m above the…

A: Given data The height of the rock from where it is released is H = 1.45 m The time to reach the…

Q: 4. A car accelerates a) 2 m/s² from rest (0) to (1= 36 km/h) in 5s. The car acceleration is: b) 4…

A:

Q: 2. If the hammer, paper ballI, and marble were simultaneously dropped from a height of 70m. Which…

A:

Q: **40. A Boeing 747 “Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands…

A:

Q: Question 1 Look at the velocity-time graph given. 12 ... 10 v (m/s) 8 6 2 10 20 30 40 t (s) iii.…

A: 1) The velocity versus time graph is given for a object in motion The velocity is plotted along the…

Q: A car is traveling east at 20.5 m/s when it turns north and accelerates to 32.0 m/s, all during a…

A: Initial velocity (v→) = 20.5 i^ msfinal velocity (V'→) = 32 j^ ms

Q: If a body is accelerating at a = 5t² - 2t where t is in seconds, determine the average acceleration…

A:

Q: 5. If the roller coaster starts from rest at A and its speed increases at a, = (6- 0.06s) m/s²,…

A:

Q: How fast must you throw a stone straight upwards in order for it to take 2 seconds to return back to…

A: Time of flight of stone = 2sec. Acceleration due to gravity = 10 m/s2

Q: Assume that an intercontinental ballistic missile goes from rest to a suborbital speed of 6.50 km/s…

A:

Q: A car is initially moving in the +x direction at 14.0 m/s. The car makes a turn so that 3.00 seconds…

A: u = 14i m/s , v= 18j m/s  t= 3s

Q: Two cars of the same speed of 4 m/s2 approach each other on parallel tracks. If the cars were…

A: There are three equations of motion with constant acceleration.  v=u+at…

Q: 2- A body moves in a straight line at a speed of 10 m/s for a distance of 200 and then at a speed of…

A: Giveninitially speed of body( v1)=10 m/sdistance covered ( d1)=200 mthen time taken…

Q: A rocket, initially at rest, is fired vertically upward with an acceleration of 6.0 m/s2. At an…

A: Using kinematic equation, the expression for find fast of the rocket is v2=u2+2asv=u2+2as

Q: Which of the following situations would result in a greatest impact force: a. the crash is head-on…

A: It depends what you mean by impact force if you mean kenetic energy the two 30 mph car collision is…

Q: A bus moves with uniform velocity along a straight line path. If the average velocity of the bus is…

A: Uniform velocity means the velocity of the bus is same throughout its motion. It will not start with…

Q: Using the Velocity- Time graph provided about the behavior of a cart along a linear track, answer…

A: From the graph for the first 10 min, the initial velocity (u) of the cart is zero and the final…

Q: A bike and a tricycle travels on the same road but on opposite direction. The bike jolts from rest…

A: A bike and a tricycle travelling in opposite directions towards each other  Bike accelerates first…

Q: The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows…

A: Given:-the car Acceleration =-5.25 ms2  for a time t=4.40 s car making straight skid marks 64.4 m…

Q: Car travel in straight line, the distance is given by x = bt+ct2, b =4, c= 0.5. calculate its…

A: Given: The equation of the position is x=bt+ct2. b = 4. c = 0.5. Introduction: The instantaneous…

Q: A bike and a tricycle travels on the same road but on opposite direction. The bike jolts from rest…

A:

Q: A cricketer throws a ball into the air in vertical motion with an initial speed of 40m/s. Assume…

A:

Q: An athlete swims the length of a 50.0m pool in 20.0s and makes the return trip to the starting…

A: A) For the first half of the swim, The total distance covered by the athlete is 50 m. The total time…

Q: A missile silo is used to launch test rockets vertically upward out of the silo, giving the rocket…

A:

Q: A soft tennis ball is dropped onto a hard floor from a height of 1.90 m and rebounds to a height of…

A: (a) kinematic expression for velocity before striking the floor Since the ball is moving downwards…

Q: You go watch your friend as she runs at a cross country meet. The first time she passes you, your…

A: The velocity 1, v→1=4.40 j^   The velocity 2, v→2=-3.80 sin30° i^-3.80 cos30° j^=-1.90 i^-3.29 j^

Q: While driving at 45.0 mi/hr (20.1 m/s) on a straight portion of Route 9 West, Randi notices that the…

A: initial velocity = V0=  20.1m/s final velocity = V = 0 m/s displacement = S= 60 m acceleration = a =…

Q: Question: The velocity of a particle moving in the xy plane is defined byű = (6.0t – 4.0t2)î +…

A: Given data The velocity is, v=6.0t-4.0t2i^+8.0j^ The acceleration is a=0 m/s2   The acceleration is…

Q: If a stone is thrown straight upward with the initial velocity viy=39 m/s, what is the velocity of…

A:

Q: Ms. Jackson accelerates at 1.5 m/s for 6.0 seconds, allowing him to reach a speed of 12.0 m/s a.…

A: Given data:   Acceleration (a) = 1.5 m/s2  Time (t) = 6.0 s Final velocity (vf) = 12.0 m/s Required:…

Q: 8. In a competition, an athlete threw a flying disk 139 meters through the air. While in flight, the…

A:

Q: How far does a car going 12 m/s travel in 6 s? How far would a jet going 160 m/s travel in 6 s?…

A: The distance traveled by the car can be obtained as d=s×t=12m/s×6s=72m

Q: An unmarked police car traveling at constant 95 km/hr is passed by a speeder traveling 135 km/hr.…

A:

Q: If velocity is constant then acceleration is what? A) constant B) increasing C) 0 D) infinite

A: Acceleration is defined as the rate of change of velocity. The expression for acceleration is,…

Q: A plane lands on highway airport at speed of 48m/s. What is the acceleration (assumed constant) if…

A: Given : v = 0 m/s u = 48m/s t = 6s

Q: How far does a car going 24 m/s travel in 8 s? How far would a jet going 170 m/s travel in 8 s?…

A: 1) for car, d = v×t = 21×8 = 168m

Q: On release 1, a student releases a cart from the top of a ramp, such that the cart travels 160cm…

A: initial velocity = 0 m/s distance (d) = 160 cm = 1.60 m time taken (t) = 4.30 seconds

Q: You are going to your hometown by a bus that is moving with constant speed. During the journey, if…

A: If we consider there is no air resistance in the bus then the coin will also move at the same speed…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –