a distant star, the velocity of an asteroid changes from from +20.7 km/s to −19.1 km/s over a period of 2.19 years. (a) What is the total change in the asteroid's velocity? (Indicate the direction with the sign of your answer.)   (b) What is the asteroid's average acceleration during this interval?

Q: A particle journeyed 80 miles between point 1 and point 2 at 40 mi/h and then another 120 miles…

A: R12 = 80 miles V12 = 40 miles/hour R23 = 120 miles V23 = 70 miles/hour To find = total time taken to…

Q: Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such…

A:

Q: Light travels at a speed of about 3.0 x 108 m/s. (a) How many miles does a pulse of light travel in…

A: Given value--- speed of light = 3 × 108 m/s. time = 0.1 sec  We have to find--- (a) How many…

Q: A car drives horizontally off the edge of a cliff that is 60.5 m high. The police at the scene of…

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Q: A car accelerates with a constant acceleration of 1.5 m s2 along a long straight road. How long does…

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Q: Using highway mileposts, you clock 4 min,45 s to go 5 m. If the mileposts are accurate, what's the…

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Q: A runner travels 50 m over a duration of 12.6 s. She took 29 steps over the 50 m. What was her…

A: Distance (d) = 50 m Time (t) = 12.6 s Total  number of steps to cover 50 m distance is 29 .       n…

Q: You are driving home from school steadily at 97 km/hkm/h for 160 kmkm . It then begins to rain and…

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Q: An object is dropped from rest and takes 2.83 seconds to reach the ground below. From what distance…

A: Given Data: The initial velocity of an object is, u=0 m/s The time required to reach below the…

Q: A student drove to campus from her home and noted that the odometer reading of her car increased by…

A: Given: Total distance between home to campus d = 12.0 km. Time taken to reach campus t = 18 min. =…

Q: You are exploring a planet and drop a small rock from the edge of a cliff. In coordinates where the…

A: we have to understand the graph.

Q: B (3,3) C (7,3) E (5,0) A (0,0) D (7,-6) 十 Note: all coordinates in meters - not to scale! A robot…

A: 2.8 meters per minuteExplanation:We only need to look at the initial (A) and final (E) position to…

Q: A pilot flies in a straight path for 1h 30 min. She then makes a course correction, heading 11…

A:

Q: In an experiment, a seabird was taken from its nest, flown 5150 km away, and released. The bird…

A: Given:Distance between origin and release point: xr=5150 kmTime taken by the bird: t=13.5 days To…

Q: Problem 2: A car is traveling at a speed of 33 m/s. art (a) What is its speed in kilometers per…

A: Given:  Speed  of car            S=33 m/s   we  have  to find  S  in  Km/h

Q: An adventure racer ran 1.7 km north, then 3.2 km 63° to the south of due east, then 1.4 km west. She…

A: Answer..

Q: A kicker kicks a football upward from the ground at an initial velocity of 63 feet per second. The…

A: Given: u=63ft/s, d=70ft (a) The trajectory of the football is found by : h=ut+12gt2 At the highest…

Q: A car has acceleration of 4 m/s2 and starts from 1.8 m/s. What is its speed after 7.4 seconds, in…

A: Given acceleration a=4m/s2Initial speed u=1.8mstime t=7.4 s

Q: What is the acceleration of the object at t = 2.5 s? (Indicate the direction with the sign of your…

A: Given data: Initial velocity (Vi) = 10 m/s at t = 1 s Final velocity (Vf) = 2 m/s at t = 4 s…

Q: When traveling from point (B) to point (D), what is the total distance traveled by Car B_2? Report…

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Q: The a - s graph for a boat moving along a straight path is given. (Figure 1) Figure 1 of 1 a (ft/s²)…

A: Given that for a boat, which moves in a straight line path The acceleration of the boat is  a=5…

Q: A driver traveling north slows down from 35.4m / s to 0m/s in 8.6 seconds. What is the magnitude of…

A: Solution:-Given thatInitial speed (u)=35.4 m/sFinal speed (v)=0 m/stime (t)=8.6 s

Q: The motion of a particle is given by a = 6v1/3, where a is in feet per sec² and v in feet per sec.…

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Q: Sleds propelled by rockets are used to study how humans react to sudden acceleration. If a…

A: Initial velocity = 0 m/s Final velocity = 442.82 m/s  Time taken = 1.71 seconds

Q: A ball rolls off a table 100 cm high with a speed of 2.5 m/s. How far will it travel horizontally…

A: Given Horizontal velocity = ux = 2.5 m/s IInitial vertical velocity = uy = 0 m/s Height = h = 100 cm…

Q: An object was observed to have velocity v1 in m/s at time t1 seconds and later velocity v2 in m/s at…

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Q: how many kilometers will you travel in a span of 2.5 h if you are going at a speed of 5.0m/s?

A: Given , Time = 2.5 h = 2.5×60×60s = 9000 s  Speed = 5.0m  We know that distance = speed×time

Q: If an average-size man jumps from an airplane with an open parachute, his downward velocity t…

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Q: A rabbit runs across a parking lot. The coordinates of the rabbit's position (in meter) are given by…

A: Given : The x -coordinate of position vector is,  x=12.3t The y-coordinate is,  y=x22.4 The…

Q: A football coach walks 18 meters westward, then 12 meters eastward, then 28 meters westward, and…

A: Displacement d is the shortest distance between the starting and endpoints of a journey. Whereas…

Q: What is the slope for the linear function modeling velocity as a function of time, V=,  and what…

A: Given data: The initial velocity is: u = 0 The slope of linear function modeling velocity is: dv/dt…

Q: Starting from the first floor, a lift stops at floors 3, 4,3, 2, 3, and 4 before returning to the…

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Q: distance of the space shuttle

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Q: The acceleration of a particle is a constant. At t = 0 the velocity of the particle is (14.91 +…

A:

Q: A piece of wood moves at a velocity (measured in millimeters per year) of v(1) = r² – 3t – 4 where 1…

A:

Q: A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10° to…

A:

Q: You expect your average speed to be 60 miles per hour on this trip. Determine how many hours of…

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