(9) At what time does Car A catch Car C? t2 O t3 O t4 O ts t6 (h) During what time interval does Car B pass Car C? Ot, to t2 O t, to t3 O tz to t4 O t4 to ts (i) Which car has an acceleration in the positive direction? O Car A Car B O Car C (1) Which car has an acceleration in the negative direction? O Car A O Car B Car C

Q: From the graph shown find the instantaneous velocity at t-4 (s): 7.0 6.0 5.0 E 4.0 3.0 2.0 1.0 2.0…

A:

Q: A ball is thrown directly downward with an initial speed of 8.70 m/s, from a height of 29.4 m. After…

A: Downward motion with initial speed. It canbe solved in two methodsmethod 1u=8.7 m/sh=29.4 mg=9.8…

Q: The x-acceleration a, is constant between times tį and t2. Let x1 and vx1 be the x-position and…

A: Acceleration of an object = axInitial position = x1 at time t1final position = x2 at time t2Initial…

Q: 1.A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0…

A: GIVEN: acceleration of motorboat a = 3m/s2 time t = 8 sec. initial velocity of motorboat u = 0 m/s

Q: As a vehicle leaves the first point, it gains a speed at the rate of 4 ??/? 2 for 6 ? and then at…

A: Given:- As a vehicle leaves the firest point.  1 ) The gain a speed at the rate of 4 ft/sec2 for 6…

Q: A certain aircraft has a liftoff speed of 126 km/h. (a) What minimum constant acceleration does the…

A: Assuming the initial velocity of aircraft to be zero u = 0 m/s final speed of aircraft v = 126 km/hr…

Q: A ball is thrown directly downward with an initial speed of 8.60 m/s, from a height of 30.1 m. After…

A:

Q: A certain aircraft has a liftoff speed of 116 km/h. (a) What minimum constant acceleration does the…

A: Given: The aircraft has a liftoff speed is v=116km/hr =32.22 m/s  The given distance is d=263 m   To…

Q: -At the instant, the traffic light turns green, an automobile starts with a constant acceleration a…

A: a) Using kinematic equation, the expression for find position of the automobile is x=vt+12at2=12at2…

Q: 4. The graph shown represents the velocity of two airplanes. A. 82, (a) Which plane is moving at a…

A: Part A a) Plane B is moving with constant velocity. b) Velocity of plane B is 75m/s. Part B Velocity…

Q: A ball is thrown upward from the ground with an initial speed of 17.8 m/s; at the same instant,…

A: Given, Total height= 20 m Initial speed of throw = 17.8 m/s

Q: A ball is thrown directly downward with an initial speed of 8.40 m/s, from a height of 30.4 m. After…

A: v2=u2+2gd=8.40 m/s2+29.8 m/s230.4 m=10.9 m2/s2+595.8 m2/s2v=24.6 m/s

Q: ) A car and truck start from rest at the same instant, with the car initially at some distance…

A:

Q: Displacement (m) 12.0 10.0 80 60 40 20 Graph of Displacement as a Function of Time 2.0 4.0 6.0 B 8.0…

A:

Q: In a test run, a certain car accelerates uniformly from zero to 19.8 m/s in 2.50 s. (a) What is the…

A: Given: Initial velocity , u = 0 Final velocity, v = 19.8 m/s Time , t = 2.50 s   To determine: (a)…

Q: A student is running at her top speed of 5 to catch a bus, which is stopped at the bus stop. When…

A: The

Q: A jet plane lands with a speed of 98 m/s and can accelerate at a maximum rate of −4.50 m/s2 as it…

A:

Q: What is the car's velocity between 240 s and 300 s? Acceleration While Driving Car 3.5 3- 2.5- 1.5-…

A: Acceleration is defined as the rate of change of velocity. If the velocity of an object remains…

Q: A ball is thrown directly downward with an initial speed of 7.25 m/s, from a height of 29.2 m. After…

A: d=ut+0.5gt2

Q: ..A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0…

A: Given data:  Initial velocity (u) = 0 m/s Acceleration (a) = 3.0 m/s2 Time (t) = 8.0 s Required: The…

Q: (b) What is its instantaneous acceleration at each of the following times? (Enter your answers in…

A:

Q: When is the average velocity of an object equal to the instantaneous velocity? always only when the…

A: Required:  The condition when the average velocity of a moving object is equals to instantaneous…

Q: Initially, the car travels along a straight road with a speed of 35 m/s. If the brakes are applied…

A:

Q: A car is accelerating on a straight road at a constant rate of 3 m/s? from an initial point O to a…

A:

Q: An object starts from rest and moves in a straight line. One half of total moving time the object…

A: one question at a time.

Q: At what point on the position-time graph shown is the object's instantaneous velocity greatest?…

A:

Q: An apple is thrown upwards. Which statement related to its acceleration is correct? Neglec Its…

A: The correct option is  Its acceleration is constant.

Q: Car has started from rest with a constant acceleration of +30. m/s2 along a straight line and…

A: Given :  Acceleration (a) = 30 m/s2 Initial velocity (vi) = 0 because car starts from rest Final…

Q: If the brakes on a car give the car a constant negative acceleration of 24 m/s2, where k is a…

A: Initial speed of car be, Vo  Final speed, V = 0 m/s  (as car comes to rest)  Distance to be covered,…

Q: d) What is the car’s velocity in interval B?  e) What is the car’s average velocity during the…

A: In a position-time graph, the slope of the graph gives the velocity of the object associated.

Q: Can an object have zero velocity and nonzero acceleration at the same time? Yes O No

A:

Q: In a boat race, boat A is leading boat B by 50 m and both boats are traveling at a constant speed of…

A: Given : Distance between boat A and boat B = 50 m Initial speed of boat A and boat B =va=vb 180 km/h…

Q: 4. At a certain time, object 1 has an initial velocity of -2 m>s and an acceleration of3 m>s2.…

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

Q: In a test run, a certain car accelerates uniformly from zero to 20.2 m/s in 2.75 s. (a) What is the…

A: Part (a): Magnitude of the Car's AccelerationThe car accelerates uniformly from 0 to 20.2 m/s in…

Q: ock C starts from rest and moves downward with a constant acceleration. Knowing that after 10 s the…

A: Concept: The Schematic diagram of the system is given below Given: For Block A: Final velocity…

Q: When can we be certain that the average velocity of an object is always equal to its instantaneous…

A: Given data:  The average velocity is equals to the instantaneous velocity Required: The condition…

Q: How far does a car travel in 6.0 s if its initial velocity is 2.0 m/s and its acceleration is 2.0…

A: Given data:  Initial velocity (v0) = 2.0 m/s Acceleration (a) = 2.0 m/s2, forward  Time (t) = 6.0 s…

Q: Instantaneous speed and average speed are equal O always. O for motion at constant speed. O for…

A:

Q: (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a…

A: a) The aircraft’s acceleration can be determined by the following kinematics equation. Here, u, v,…

Q: A driver in a car is initially traveling at +35.0 m/s when the driver sees a log up ahead on the…

A: Given Initial velocity (U) = 35.0 m/s Final velocity (V) = 0 Retardation (a) = -7.00 m/s2