Due to continental drift, the North American and European continents are drifting apart at an average speed of about 3 cm per year. At this speed, how long (in years) will it take for them to drift apart by another 1500 m (a little less than a mile)?

Q: NASA is launching a rocket into space from Earth.  This particular rocket burns its fuel for 5…

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Q: A stone is dropped into a well. The sound of the splash is heard 5.16 s later. What is the depth of…

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Q: A rocket is fired upward from some initial distance above the ground. Its height (in feet), h, above…

A: Given:- A rocket is fired upward from some initial distance above the ground. Its height (in feet),…

Q: A cliff is 75 m high. At its peak, Mary dropped two stones, in which the second stone is dropped 1.4…

A: The time between release of two stones is 1.4 s.

Q: An object is moving in a circular path at a constant rate      What is the direction of the…

A: Given data: Object moving in uniform circular motion Required: The direction of velocity and…

Q: A passenger has an inward acceleration of 10.08×103 m/s? while riding a Ferris wheel that is 56.1 m…

A: diameter = 2 r = 56.1 m radius = r = 28.05 m acceleration = a = 10.08 x 10-3 m/s2

Q: A plane headed due south is traveling with an airspeed of 200 miles per hour. The wind currents are…

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Q: A swimmer who can consistently keep the same pace to cover 50 meters in 8.41 seconds sets out to…

A: Given: Speed of current of river vrg=2.94 m/s Swimmer maintain pace to cover 50 m. in 8.41 s.

Q: An arrow is shot at an angle of 27° above the horizontal with an initial speed of 50 m/s. How long…

A: Given data:  A projectile motion Angle (θ) = 27°, above the horizontal Initial speed (u) = 50 m/s…

Q: The acceleration due to gravity at sea level is 9.81 m/s^2 and is decreased by 0.001 m/s^2 for every…

A: Given data: Acceleration due to gravity at sea level = 9.81 m/s2 Acceleration due to gravity at…

Q: How far above the surface of Earth do you have to go before the acceleration due to gravity drops by…

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Q: Two birds are flying south for the winter. Bird 1 reaches its destination in 10 hours, while bird 2…

A: Given: Time taken by bird 1 (t1) = 10 hours Time taken by bird 2 (t2) = 8 hours

Q: When a rocket reaches an altitude of a meters, it begins to travel along the parabolic path as shown…

A: Write the given data: equation of motiony-a2=bx    ⋯⋯1wherea=40mb=154c=209 m/sh=93mlet the component…

Q: If an egg is dropped from rest and takes 0.8 seconds to hit the ground, what is the height, in…

A: Given Data: The time taken by egg to hit the ground is: t=0.8 s The gravitational acceleration is:…

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: What is the magnitude of the horizontal displacement of a body moving at (5i + 3j) m/s after 5…

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Q: A car moving along a straight horizontal road accelerates fromn a speed of 10 m/s to a speed of 30…

A: Solution: given that u = 10 m/s v = 30 m/s distance s = 133 m

Q: A point moves on a circular path with its position from rest defined by s = t^3 + 5t, where s and t…

A: S=t3+5tacceleration, a=8.39 ms2time, t=0.66 s

Q: A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude…

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Q: acceleration

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Q: A small moon with a mass of 100 kg orbits a very dense asteroid with a mass of 1 million kg. The…

A: The small moon orbiting the 1 million kg asteroid which has mass 100 kg and radius is 500 m, the…

Q: The Moon is about 3.8 ✕ 108 m from Earth. Traveling at the speed of light, 3.0 ✕ 108 m/s, how long…

A: Given: The distance of the moon from the earth is 3.8x108 m. The speed of the light is 3x108 m/s.

Q: An object has a velocity given by i = (5.0 – 12j) m. How fast, and in what direction is the object…

A: Given velocity is v=5i^-12j^

Q: The Moon is about 3.8 x 108 m from Earth. Traveling at the speed of light, 3.0 x 108 m/s, how long…

A: Given that:-Distance between moon and earth, d=3.8×108 mSpeed of light, c=3.0×108 m/sJourney is…

Q: The acceleration due to gravity at Earth's surface is 9.80 m/s2. What is the acceleration at…

A: Planets have a large amount of mass and hence a large gravitational field. They will attract…

Q: An athlete completes one round of a circular track of diameter 200 m in 40 s. If he continues to…

A: Given Diameter (d) = 200 m Radius (r) = 100 m Displacement is defined as the shortest distance…

Q: The v-t graph for the motion of a car as it moves along a straight road is shown. When t = 0, s = 0.…

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Q: A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base…

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Q: A plane headed due south is traveling with an airspeed of 180 miles per hour. The wind currents are…

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Q: 39. Suppose you could safely explore every terrestrial world in the solar system to conduct basic…

A: Given data:

Q: How high was the cliff?

A: Diver's initial speed(u) = 2.6m/s Time taken = 3.1 sec Acceleration due to gravity (g) = 9.81 m/s2…

Q: A parked police car takes off after a suspect and reaches 65.6 km/h in 6.49 seconds.  What was the…

A: Given data: Average velocity of the car, ∆v=65.6 km/h Time taken, t=6.49 s Our question is to find…

Q: A stone is thrown from ground level with a speed of 10 m/s at an angle of 35° above the horizontal.…

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Q: A car is traveling with a constant speed along a road that has a form of a square. The car starts at…

A: Given:road is of square shape ABCDFrom the diagram below, the car starts fromone side lets say from…

Q: A tennis ball is kicked horizontally off the edge of a 20 m high building and lands a distance of…

A: height = h = 20 m horizontal distance = R = 20m final horizontal component of velocity = Vx=?

Q: Marc left Town A at 8 a.m. and drove to Town B at an average speed of 60 km/h. 1 1/2 hours later,…

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