A boat going 10 m/s relative to the water crosses a river flowing 2 m/s downstream. The river is 600 meters wide. How long does it take to cross the river? How far downstream does it go?
Q: Sheena can row a boat at 2.70 mi/h in still water. She needs to cross a river that is 1.20 mi wide…
A:
Q: A ferryboat has a still water speed of 10.3 km/hr. Its helmsman steers the boat due north across a…
A: Calculate the width of the water. w=vftw=(10.3 km/hr)(1.5 hr)w=15.45 km
Q: A 425 m wide river flows North at 2.0 m/s. A turtle points himself directly East and swims at 8.0…
A: as the river as flow in north direction and turtle goes in easy direction to cross river so the…
Q: You are walking through your neighborhood and you see a boy on the roof of a building kicking a…
A:
Q: boat that can travel at 2.25 m/s in still water is heading directly across a river that is flowi a…
A:
Q: A placekicker is about to kick a field goal. The ball is 20.4 m from the goalpost. The ball is…
A: Solution:-Given thatdistance of ball from goalpost (X)=20.4 mInitial velocity(u)=23.4 m/sheight…
Q: A pipe discharges storm water into a creek. Water flows horizontally out of the pipe at 1.5 m/s, and…
A:
Q: A monster truck launches off a ramp 4.5m high at a velocity of 75m/s 52° above the horizontal. This…
A:
Q: ferry boat has a still water speed of 9.8 km/hrs. Its helmsman steers the boat due north across a…
A:
Q: The Gulf Stream can flow as fast as 3.6 m/s directly north. A ship in the current has a cruising…
A: Given: Velocity of river, v1 = 3.6 m/s (North) Speed of ship, v2 = 10 m/s To determine the…
Q: I need help on this problem: A cannon tilted upward at θ= 28 fires a cannonball with a speed of 93…
A:
Q: Mary needs to row her boat across a 100m wide river that is flowing to the east at a speed of…
A:
Q: A basketball player kicks a hollow basketball up a ramp at 18m/s. The ramp has an angle of 25° and…
A:
Q: boat aims to cross a river as fast as possible. The river flows at 3 m/s and the boat’s speed is 5…
A:
Q: If a boat points its prow directly across a river, and its engine has one speed of 8.39 m/s. What is…
A:
Q: A stone is thrown horizontally to the right at a speed of 12.0 m/s from the top of a cliff that is…
A: Write the given values with the suitable variables. ux=12 m/sh=83.6 m Here, ux and h are the…
Q: You want to cross a river that is 30 m wide and flows to the East at 3.0 m/s. You can swim at a…
A:
Q: A jetliner with an airspeed of 1000 km/h sets out on a 1500 km flight due south. To maintain a…
A: Given data: The total travel distance is d=1500 km The destination time is t=110 min Calculate the…
Q: A ball thrown horizontally at 12.7 m/s from the roof of a building lands 20.8 m from the base of the…
A: Given data: Initial velocity in horizontal direction ux = 12.7 m/s Horizontal Range (R) = 20.8 m…
Q: A swimmer, capable of swimming at a speed of 1.13 m/s in still water (i.e., the swimmer can swim…
A: Given:Speed =1.13 m/sWidth of river=2.41 kmNow,A) How long does it take the swimmer to cross the…
Q: A Polynesian boater leaving Vanunu wishes to make landfall on an island 210Km directly south. She…
A:
Q: Which direction should it head towards if the resultant velocity is 19.74 m/s?
A:
Q: A ship is on course for The Netherlands, heading North at 7.00 m/s. The ocean current is moving at…
A: horizontal component of velocity is vx=1.5m/scos40°=1.149m/s
Q: 7. A swimmer able to swim at 2.0 m/sec wants to cross a 100. m wide river that flows at 1.2 m/sec.…
A: Motion is relative to the observer a stationary observer will measure a different speed than someone…
Q: A golfer tees off on a hill located 75 meters below the green. If the golfer wants a hole in one and…
A:
Q: Clay Matthews, a linebacker for the Green Bay Packers, can reach a speed of 10.0 m/s. At the start…
A:
Q: A boat moving at 8.6 km/hr relative to the water is crossing a river 5.1 km wide in which the…
A:
Q: After flying for 18 min in a wind blowing 38 km/h at an angle of 22° south of east, an airplane…
A: Given: The speed of the wind is 38 kmh. The angle made is 22∘. The distance of the town is 57 km.…
Q: A car drives horizontally off of a 6.60 m tall cliff at 12.5 m/s. Assuming air-resistance can be…
A:
Q: Two airplanes leave the Hay River airport in the Northwest Territories at the same time. One…
A: Given:Two planes pleave from point Ospeed of first plane, v1 = 370 km/hrspeed of second plane, v2 =…
Q: A cannon fires a shell at 200 m/s at an angle of 36 degrees above the horizontal. What is the…
A:
Q: A plane is flying directly into a headwind at 300.0 km/h relative to the air. The air is blowing at…
A:
Q: A monster truck launches off a ramp 4.5m high at a velocity of 75m/s 52° above the horizontal.This…
A:
Q: A ball is launched at an angle of 75 degrees, with a velocity of 250 m/s. How far does the ball…
A: when a ball is thrown with a speed v at an angle ø from the hotizontal then the horizontal range of…
A boat going 10 m/s relative to the water crosses a river flowing 2 m/s downstream. The river is 600 meters wide. How long does it take to cross the river? How far downstream does it go?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A cannon located at sea level fires a ball with initial speed 82 m/s and initial angle 45°.The ball lands in the water after traveling a horizontal distance 686 m. How much greater would the horizontal distance have been had the cannon been 30 m higher?A man points his rowboat north, straight across a river of width 114.3 m. The river flows due east. The man starts across, rowing steadily at 0.90 m/s @ north and reaches the other side of the river at a point 207 m downstream from his starting point. What is the speed of the river?William Tell must split the apple atop his son's head from a distance of 30 mm . When William aims directly at the apple, the arrow is horizontal. At what angle must he aim it to hit the apple if the arrow travels at a speed of 35 m/sm/s ? Express your answer using two significant figures.
- An airplane flies due north through the air at a speed of 75 m/s in a wind from the west at 10 m/s. What is the ground speed of the plane and what direction will it go?Two boat landings are 3.0 km apart on the same bank of a stream that flows at 2.3 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed ? of the boat relative to the water?The operator of a boat wishes to cross a 5-km wide river that is flowing to the east at 10 m/s. He wants to reach the exact point on the opposite shore 15 min after starting. With what speed and in what direction should the boat travel?
- An airplane travelling horizontally at 68 m/s at an elevation of 230 m drops bales of hay to cows stranded in a snowstorm. At what horizontal distance from the cow should the bales of hay be dropped?One of the tasks of the Mighty Hercules was to protect the town of Nemea from a lion. One day Hercules sees the lion 320 feet away. He strings his bow and lets an arrow fly. The arrow leaves his bow travelling at 210 feet per second from a height of 6 feet. He wants to hit the lion in the neck above the shoulders which is 4 feet off of the ground. determine the launch angle that will hit the Lion. Find the right angle.A boat whos speed in still water is 5.0m/s headed west across a river. The river current is 2.5m/s south. If the river is 2395 wide, how long does it take the boat to cross the river.
- A stunt car leaves a 15° upward ramp at 35. The car jumps over a ravine and lands on the other side at 5 m S below the height from which it was launched. a) What is the maximum width of the ravine? (Answer: 77.5 m) b) What is the impact velocity of the car in magnitude and angle? (Answer: 36@21° below x)Fort Gaines guards the western entrance to Mobile Bay. In order to prevent enemy ships from passing, it needs to be able to cover about 1 km of the bay with cannon fire. The cannons fire projectiles horizontally at a speed of 460 m/s. How high must the cannons be located above the ground in order for their projectiles to travel 1 km horizontally?After flying for 20 min in a wind blowing 39 km/h at an angle of 22° south of east, an airplane pilot is over a town that is 60 km due north of the starting point. What is the speed of the airplane relative to the air?