A boat crosses a 222 m wide river flowing at 4.8 m/s to reach a dock directly on the other side.  If the boat motor can propel the boat at 14 m/s across the water, how long (in seconds) will it take the boat to reach the dock assuming it travels in a straight line)?

Q: A ball is launched vertically upward with a speed of (21.0+A) m/s. Determine the speed of the ball…

A: Given: The initial speed of the ball is Vi =(21.0 +A) m/s. The height is h = (18.0 +B). A =15 B = 8

Q: A river has a constant current of 3 kilometers per hour. At what angle to a boat dock should a…

A: Current speed, v1 = 3 km/hr Speed of the boat, v2 = 25 km/hr Let v be the resultant speed of the…

Q: A baseball is thrown straight up in the air from a 40m hill with 30m/s vertical projection. 2.1 How…

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Q: A car is travelling along a straight horizontal road with a constant acceleration of 0.75 m/s. The…

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Q: Help!!

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Q: You are walking through your neighborhood and you see a boy on the roof of a building kicking a…

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Q: From a height of 70 ft above ground, an item is flung vertically upward. The object's starting…

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Q: A car at a traffic signal starts from rest and makes a left turn in a circular trajectory of radius…

A: Ques 1  Given  Radius = r = 7m  Velocity = v = 6  Time = t = 2 sec  As the velocity is uniform and…

Q: A pilgrim throws a coin down a well with an initial speed of 2 m/s, and it takes 10s to reach the…

A: Given data The initial speed of the coin is given as u = 2 m/s. The time taken by the coin to reach…

Q: A bicycle rider travels 20,0 km north in 1.5 hours. She then turns directly south and travels 10.0…

A: given that,distance travelledd=20 kmtime takent1=1.5 hdistance travelled along southd2=10 kmtime…

Q: A cannon tilted upward at θ = 35 ∘  fires a cannonball with a speed of  98 m/s . At that instant,…

A: Speed of the cannonball, u = 98 m/s Launch angle,    The component of the cannonball's velocity…

Q: A seagull flies at a velocity of 7.5 m/s relative to the air straight into the wind.  vSA = 7.5 m/s…

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Q: Wile E. Coyote, having missed the Road Runner, leaves the edge of a cliff at 41.0 m/s horizontal…

A: Let us consider the downwards direction as positive. We have given here, Gravitational acceleration…

Q: A major league pitcher throws the ball at a speed of 97.5 ft/s. How high would the ball go if thrown…

A: Given: The initial speed of the ball is 97.5 ft/s. Introduction: When a body is thrown against…

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: A soccer player kicks a ball, giving it an initial velocity of 30.5 m/s in the horizontal direction…

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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: If a body moves with a uniform speed in a circular motion, then______.   A) its acceleration is…

A: In the uniform circular motion, the speed is constant but the direction of motion is changing every…

Q: A ball swings counterclockwise in a vertical circle at the end of a rope 1.38 m long. When the ball…

A: Acceleration vector, a→=-19.5i^+25.5j^ Length of rope, r = 1.38 m

Q: If an airplane is flying at 140 miles per hour East and turns in a smooth curve with a diameter of 3…

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Q: a projectile is going up at 40 m/s how long will it take to reach the top

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Q: An object moving with constant acceleration along a horizontal path covers the distance between two…

A: Solution

Q: Starting from rest at 5 m from origin, a small still ball's horizontal component of velocity is 90.0…

A: Hai, since there are multiple questions posted, we will answer the first question. The acceleration…

Q: A tourist being chased by an angry bear is running in a straight line toward his car at a speed of…

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Q: A particle travels along a horizontal path where its velocity is defined by v = 2t2 - 4t where t is…

A: Given that:v=(2t2-4t)  m/stime interval is 0 to 3 sec

Q: A ball is thrown into the air with an initial velocity of 32 feet per second, from a height of 100…

A: A ball is thrown into the air with an initial velocity of 32 feet per second, from a height of 100…

Q: A projectile is shot perfectly horizontally with a speed of 7.02 m/s, and a height of 6.14 m. How…

A:

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: From a height of 70 ft above ground, an item is flung vertically upward. The object’s starting…

A: The height of the item from the ground, h=70 ft The initial velocity of the item from the height,…

Q: A ball is dropped on the moon from a height of 1.90 meters. The acceleration of gravity on the moon…

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Q: A person walks up a stalled 15-m-long escalator in 90 s. When standing on the same escalator, now…

A: The speed of the walking person is The speed of the escalator is

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 boat on the shore wants to cross the 20 m wide river perpendicular to the current at 4 m / sec.…

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Q: Wil-E-Coyote drops a bowling ball off a cliff to try to catch the Roadrunner. The cliff is 132 m…

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Q: A rock is thrown off a 42 ft. high building at 0.00381 m/s at an angle of 300 below the horizontal.…

A: Given:- The height of the building h = 42 ft = 12.8016 m  The speed of the rock =0.00381 m/s at an…

Q: An object moving with constant acceleration along a horizontal path covers the distance between two…

A: Given: The distance between the two points is 60 m. The time interval is 6 s. The speed of the…

Q: In 1948 United States Air Force pilot Gail halvorsen became known as the Berlin Candy Bomber when he…

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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 bullet is shot straight up from the surface of the Moon (g = 1.62 m-) with an initial %3D velocity…

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Q: On a planet very similar to Earth, but slightly denser, where acceleration due to gravity is 10…

A: Time taken for the projectile to reach the ground is, 100+40t-5t2=0t=10 s           t≠-2 s

Q: A speedboat has a velocity of 48 kph as it comes out of a turn. It accelerates at the rate of 0.3…

A: Given: speed boat velocity v=48 kph = 13.33 m/s  Acceleration a = 0.3 m/s2

Q: An airplane flies horizontally at a height of h = 7840 m and with a speed of 720 km/h. A package is…

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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 –