A ball falls from the roof of a building and takes 4 seconds to reach the ground. a) What is the height of the building? b) What is the magnitude of the speed with which it hits the ground?

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A: The vertical component of initial velocity of the ball is given by, v0y=v0sinθ Here, v0 is the…

Q: An object undergoes acceleration when it changes    what  is the asnwer?   a) speed only   b)…

A: Answer:- (c) both speed and direction  An object undergoes acceleration when it changes both speed…

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Q: A toy car is rolled horizontally off a table of height 1.50m. The horizontal velocity of the car is…

A: The kinematic equations of motion are-          1) v=u+at2) s=ut+12at23) v2=u2+2as          where,…

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Q: Mayan kings and many school sports teams are named for the puma, cougar, or mountain lion Felis…

A: H = 11.1 ft  = 3.38 m Angle of projection = 47.8 oUsing, equation of motion in Y direction Vy2 -…

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Q: A robot lands on Mars. Its x and y coordinates are given by equations: x(t) = 2m – (0.25m/s2)t2…

A: X(t) = 2 - 0.25t2  Y(t) = t + 0.025t3  Note: based on unit of 0.025 it must be multiplied by t3

Q: A javelin thrower launches the javelin with a vertical velocity of 5 m/s and a horizontal velocity…

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Q: Question 3 3. A ball is shot from the ground into the air. At a height of h= 9.1 m, its velocity is…

A: Let, the x-component of velocity be denoted as Vx , the y-component of velocity be denoted as Vy ,…

Q: A person walks 2.8 meters east, 7.3 m west, and 9.1 m east. What is the distance? What is the…

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Q: It is observed that the time for the ball to strike the ground at B is 6 s. Determine the speed v…

A: Given The horizontal distance covered by the ball from the initial point is xB=50 m. The total time…

Q: If a person walks in a straight line and never changes direction, then the distance and the…

A: Distance is a scalar quantity that is equal to the total length the person has walked from initial…

Q: 4. A runner goes north 500m, turns east for 1200m, and then goes south for 1000m. What is his…

A: As per bartleby guideline , i have solved first question out of multiple questions.

Q: A student drives 10 km to the north and then 20 km 30° S of E. By using the component method, what…

A: unit vectors along different directions are given by:- +Î = east direction -Î = west direction +Ĵ =…

Q: If you plot R (on the y-axis) vs. sin(20) (on the x-axis), you get a linear graph. Mathematically,…

A: The horizontal distance covered by a projectile is called range. From the range formula, we will how…

Q: A particle moves from left to right along the parabola y =x^2 with constant speed 5. Find the…

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Q: You walk 55 m to the north, then turn 60° to your right and walk another 45 m. How far are you from…

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Q: The best leaper in the animal kingdom is the puma, which can jump to a height of 13.1 ft when…

A: Given: The height achieved by the animal is 13.1 ft. The angle of initial velocity with horizontal…

Q: A jogger runs 540 m Eastward then runs 320 m Westward, then runs 710m Eastwards and finally 920m…

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Q: A man walks and has a total trip consisting of four straight-line paths as follow: Path A is 70.0…

A: Given Path A is 70.0 m, due East. Path B is 290.0 m, due South. Path C is 120.0 m, 30.0° South of…

Q: A helicopter leaves its base and travels 20.0 km north. After a brief stop, it flies 35.7 km south,…

A: Given- Moving North is a positive displacement.Moving South is a negative displacement.Remember…

Q: A dog walks due East for 10.5 meters, then turns around and walks due West for 6.0 meters. What is…

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Q: An object moving horizontally approaches an edge of a cliff with the unknown speed v. What is the…

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Q: 20 m s 40° P 60 m FIGURE 1 1. FIGURE 1 shows a ball being thrown from the top of a building towards…

A: Given data: Angle of projection is, θ= 40o Initial velocity of the ball is, u  = 20 m/s Distance of…

Q: A stunt car drives into a canyon during a movie scene. If the car drives horizontally off the 218-m…

A: Given,Height of the cliff, h = 218 mit lands at a distance of 88 m horizontally away from the base…

Q: What is the magnitude of the velocity of the object just before it hits the ground?

A: Initial velocity is v = 20 m/s Angle of projection is 25o

Q: What is the height of the balcony from the ground, since it completed the last 40 m in 1.8 seconds…

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Q: 7. A projectile is shot from the edge of a cliff 150 m above ground with an initial speed of 65.0…

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Q: Which of the following is true for displacement? (a) It cannot be zero. (b) Its magnitude is greater…

A: Neither of the statements are true. Statement (a) is false because the displacement of an object…

Q: A rabbit trying to escape a fox runs north for 8.0 m, darts northwest for 1.0 m, then drops 1.0 m…

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Q: A sailboat sets out from one point for a point 90.0 km due north. The sailor, however, ends up 50.0…

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Q: What is the magnitude of the runner's displacement?  a. 270 m  b. 0 m c. 600 m  d. 90 m

A: Given data:  A runner complete 1 and half laps Initial position at one x marks Final position at…

Q: A car travels 90 meters due north in 15 seconds. Then the car turns 32° west of north and travels 40…

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Q: A stunt car leaves a 15° upward ramp at 35 The car jumps over a ravine and lands on the other side…

A: Angle at which the stunt car leaves the ramp (θ) = 15o upwards Speed of car (u) = 35 msHeight (h) =…

Q: An object moving horizontally approaches an edge of a cliff with the unknown speed v. What is the…

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Q: A hiker backpacks to a waterfall that is 1500 m east and 2000. m north of his starting position.…

A: The displacement vector is represented as, D→=1500 i^+2000j

Q: Starting from the front door of your ranch house, you walk 60.0 m due east to your windmill, and…

A: The average speed is obtained by dividing total distance travelled by total time taken, average…

Q: A car drives around a circular track of diameter 199 m at a constant speed of 35.6 m/s. During the…

A: Given- Diameter d=199 m  Radius R=d2=1992=99.5 m Constant speed v= 35.6 m/s Angle θ=1680

Q: A runner travels I.5 laps around a circular track in a time of 50 s. The diameter of the track is 40…

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Q: A boat crosses a 222 m wide river flowing at 4.8 m/s to reach a dock directly on the other side.  If…

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Q: A car drives around a circular track of diameter 140 m at a constant speed of 33.3 m/s. During the…

A: Given: The diameter of the circular track is 140 m. The constant speed of the car is 33.3 m/s.

Q: Wile E. Coyote runs off a cliff for 45 m before having the realization of what he's done. He then…

A: Since the questions given are two different questions; according to Bartleby guidelines, only the…

Projectile Motion