. The president's airplane, Air Force One, flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the velocity of Air Force One with respect to the ground. 252 m/s c. 222 m/s b. 435 m/s d. 125 m/s 2.A motorboat, which has a speed of 5 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat's resultant velocity with respect to the starting point? C. 5 m/s b. 6 m/s d. 8.3 m/s a. 3.3 m/s 3. A person observes a fireworks display from a safe distance of 0.750 kilometer. Assuming that sound travels at 340 meters per second in air, what is the time between the person seeing and hearing a fireworks explosion? a. 0.453 S c. 2.21 s b..410 s d. 255,000 S 4. A child walks 5 meters north, then 4 meters east, and finally 2 meters south. What is the magnitude of the resultant displacement of the child after the entire walk? a. 1 m c. 5 m b. 3 m d. 11 m 5.An object is shot from the ground (at 25 m/s) at 25 degrees and 65 degrees. Which one has the greater range? (assume no air resistance) a. 25 degrees c. 65 degrees b. Same for both d. none of the above

Q: An airplane flies due north at 150 km/h with respect to the air. There is a wind blowing at 75 km/h…

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Q: Mr. M's truck at a velocity of 14m/s [E]. At an exact instant, he sees his friend, Mr. T 35m away…

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Q: 3. Mario skates south at 6.3 m/s. A fellow hockey player passes the puck to him. The puck moves at…

A: Converting The velocity of puck into x and y components South component=Vy =10.4 cos(30°)=9 m/sWest…

Q: 4. A police officer is driving due north at a constant speed of 30 m/s relative to the ground when…

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Q: 1. How fast must a ball be rolled along 70 cm high table so that when it rolls off the edge it will…

A: Here we will equate the vertical distance of ball with horizontal distance. vertical distance = 70…

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Q: Ax = 1/2a(At)² + V¡At 1. A tennis ball is shot straight up with an initial velocity of 34 m/s. What…

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Q: Kayla throws a soccer ball out of her dorm window to Hafsa, who is waiting below to catch it. Kayla…

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Q: Train A is traveling at a constant speed va = 39 mi/hr while car B travels in a straight line along…

A: Given velocity of train vA = 39 mi/hr = 39×1.46667 = 57.20 ft/sec velocity of conductor with respect…

Q: An athlete crosses a 21 m wide river by swimming perpendicular to the water current at a speed of…

A: a) Speed of the water in the river with respect to the ground is, dvR-G=wvsvR-G=vsdw=0.85 m/s39 m21…

Q: 22. Go A space vehicle is coasting at a constant velocity of 21.0 m/s in the +y direction relative…

A: Given   Velocity in +y direction uy=21.0 m/s   acceleration in  +x direction ax=0.320 m/s2    time…

Q: wo friends, Barbara and Neil, are out rollerblading. With respect to the ground, Barbara is skating…

A: (a) Barbara sees that Neil is moving away from her at 2.5 m/s due to relative motion between her and…

Q: 3a) Batman is running away from Gotham police. He is running at 8.4 m/s on top of an 746 m building.…

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Q: 2. A railroad flatcar is traveling to the right at a speed standing on the ground. Someone is riding…

A: Given: A railroad flatcar is traveling to the right at a speed of 13.0 m/s relative to an observer…

Q: A cyclist traveling southeast along a road at 15 km/h feels a wind blowing from the southwest at 25…

A: Vwc is the velocity of wind relative to the cyclist  in the south west and Vcr is the velocity of…

Q: For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. What…

A: The duck’s velocity can be represented as, The wind’s velocity can be represented as,

Q: Two boats are heading away from shore. Boat 1 heads due north at a speed of 3.05 m/s relative to the…

A: Velocity of boat 2 relative to boat 1 v21 is,

Q: 54. Go Two friends, Barbara and Neil, are out rollerblading. With re- spect to the ground, Barbara…

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Q: 3. An airplane with an airspeed of 80 meters per second is due east, gaining altitude, and has a…

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Q: 5. A dog walks at 1.6 m/s on the deck of a boat that is traveliing north at 7.6 m/s with respect to…

A: a) Vdb = Vdw - Vbw  Vdw = Vdb + Vbw = 1.6+7.6 = 9.2 m/s    b) Vdw = Vdb + Vbw = -1.6+7.6 = 6 m/s…

Q: 2. A group of men decided to cross a river with a motorboat. The average velocity of the river's…

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Q: l from Rotterdam, heading due north at 7.00 m/s relative to the water. The local ocean current is…

A: Given:- A ship sets sail from Rotterdam, heading due north at 7.00 m/s relative to the water.  The…

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Q: Passengers in the jet transport A flying east at speed of 800km/h observe a second jet plane B that…

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Q: 7) The water in a river flows uniformly at a constant speed of 2.50 m/s between parallel banks 80.0…

A: Let the river flow in the x-direction. (a) To minimize time, swim perpendicular to the bank in the…

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A: In the given question, We have to calculate the actual speed of the man relative to the earth and…

Q: 2. A man walks westward on ship with a speed of 4 km/hr. The ship’s propeller drives it 15   km/hr…

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Q: A bird is flying horizontally at a speed of 7.00 m/s when the fish in his mouth wiggles and falls…

A: a) Given: Speed of bird is 7.00 m/s. Distance between bird's mouth  and lake is 6.00m. Formula Used:…

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A: The velocity of the jet, vj=1000 km/h   The velocity of the hot air with respect to the jet,…

Q: need help

A: Given : height of the table, h = 1.4 m              The horizontal speed of cat leaving the edge of…

Q: 38. (II) A baseball is hit with a speed of 27.0 m/s at an angle of 45.0°. It lands on the flat roof…

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Q: Q4 : A passenger in the car ( A ) traveling west at a speed of ( 90 km/h ) observes a second car ( B…

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Q: A helicopter wants to drop supplies to isolated mountain climber on a rocky ridge 235m below. If the…

A: Taking downward as a positive direction sy = 235 m v0x = 250 km/h = 69.4 m/s v0y = 0 ax = 0 ay = 9.8…

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A: Given : A bullet traveling horizontally at speed = 395 m/s hits a board              bullet passes…

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Q: hnny comes across a river that is 252 meters wide. He sees at the water flows eastward with a…

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Q: 33. A farm QIC due east with a constant truck moves velocity of 9.50 m/s on a limitless, hori-…

A: a)The angle with vertical made by the person will be zero because, the person must have to throw the…

Q: boat is propelled so as to travel with a speed of 0.50m/s in still water, moves directly across the…

A: Given  Speed of boat = 0.5 m/s  Speed of river = 0.3 m/s  Width of river = 60 m

Q: 3. If a person is running west in downtown Austin at 2.1 km/hr relative to the ground and from his…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.