# A child in a boat throws a 5.30 kg package out horizontally with a speed of 10 m/s, see the figure. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child

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### Science

A child in a boat throws a 5.30 kg package out horizontally with a speed of 10 m/s, see the figure. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.0 kg and that of the boat is 55.0 kg What is the magnitude?

### Physics - Momentum

A child in a boat throws a 5.60 kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 22.0 kg and that of the boat is 55.0 kg.

### Physics

A child in a boat throws a 5.40 kg package out horizontally with a speed of 10.0 m/s, Fig. 7-31. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25.0 kg and that of the boat is 40.0 kg.

### physics

A child in a boat throws a 6.00 kg package out horizontally with a speed of 12.0 m/s, Fig. 7-28. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 25.0 kg and that of the boat is 50.0 kg. Magnitude ___m/sDirection

### Physics

A child in a boat throws a 5.90-kg package out horizontally with a speed of 10.0 m/s. The mass of the child is 26.6 kg and the mass of the boat is 38.2 kg . Calculate the velocity of the boat immediately after, assuming it was initially at rest.

### physics

A child in a boat throws a 5.15-kg package out horizontally with a speed of 10.0 m/s. The mass of the child is 24.2kg and the mass of the boat is 33.2kg . Calculate the velocity of the boat immediately after, assuming it was initially at rest.

### physics

A 74-kg fisherman in a 124-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.4 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...

### physics

A 70-kg fisherman in a 138-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...

### physics

A 70-kg fisherman in a 138-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...

### physics

A 74-kg fisherman in a 129-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.7 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...

### physics

a 20.0 kg child on an 80 kg boat throws a 5 kg package horizontally with a speed of 10 m/s. Calculate the resulting density of the boat, assuming it was initially set at rest.

### Physics

A 83-kg fisherman in a 122-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.7 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat ...

### physics

A boy sitting in a boat at rest throws a 6.4kg object horizontally out of the boat at 10.0 m/s. The mass of the boy is 26kg and the mass of the boat is 45kg. Calculate the velocity of the boat just after the package is thrown. I used momentum before = momentum after. 6.4kg*10....

### Physics

A 60kg man standing on a stationary 40kg boat throws a 0.2kg ball with a velocity of m/s. Assuming there is no friction between the man and the boat, what is the speed of the boat after the man throws the ball?

### Physics

A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.35 km/hr. The child is 0.625 km from shore and 0.800 km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximum speed of 18.6 km/hr ...

### Physics

A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.60km/h. The child is 0.615km from shore and 0.815km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximum speed of 21.2km/h relative to...

### physics

A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.10 km/h. The child is 0.600 km from shore and 0.800 km upstream of a boat landing when a rescue boat sets out. (a) If the boat proceeds at its maximum speed of 19.0 km/h ...

### physics

A man is in a boat out away from shore. Th mass of the man, the boat and everything in it is 210 kg. The boat is not moving. The man throws and anchor with a mass of 26 kg straight out from the boat with a speed of 6.6 m/s. What is the resulting speed of the boat?

### Physics

A man is in a boat out away from shore. The mass of the man and the boat is 188 kg. The boat is not moving. The man throws and anchor with a mass of 22 kg straight out from the boat with a speed of 13.8 m/s. What is the resulting speed of the boat?

### physic

the speed boat has a acceleration of 2.0 m/s2 if the initial velocity of the boat is 6.0 m/s2. find the boat displacement after 8.0 seconds?

### Physics

A boat is constructed in the shape of a rectangular cube. The base of the boat is 2m by 3m and the side of the boat is 2m high. The boat has a total mass of 4500kg. Hint-The density of the water is 1000kg/m^3. a. What is the buoyant force on the boat? Explain answer. b. ...

### physics

A motorboat travels due north at a steady speed of 3.0 m/s through calm water in which there is no current. The boat then enters an area of water in which a steady current flows at 2.0 m/s in a southwest direction, as shown in the next picture. Both the engine power and the ...

### physics

A boy on ice skates is atationary on a frozen lake(no friction).He throws a package of mass 5kg at 4m/s horizontally east.the mass of the boy is 60kg.at the instant the package leaves the boy's hand,the boy starts moving. Calculate the magnitude of the velocity of the boy ...

### physics

An 85.0 kg fisherman decides to jump from his boat onto the dock. If the velocity of the fisherman is 4.30 m/s to the west and the boat is 185 kg, what is the velocity of the boat after the fisherman jumps out?

### Physics

Sam is taking his girlfriend Sally out for a ride in his boat. He starts out at rest. He accelerates with an acceleration of 0.263 m/s^2 for 92.1 s. At that time Sally decides they are going fast enough and the boat moves at constant speed for a distance of 286 m. Then Sally ...

### physics

A boat is traveling upstream in the positive direction of an x axis at 14 km/h with respect to the water of a river. The water is flowing at 9.0 km/h with respect to the ground (parallel to the boat). What are the (a) magnitude and (b) direction of the boat’s velocity with ...

### physics

The velocity of a boat with respect to the shore is 2 meters/second. The velocity of the water with respect to the shore is 1 meter/second. What is the distance traveled by boat after 3 minutes if the boat is traveling in the opposite direction of the water? (Hint: Find the ...

### physics

The velocity of a boat with respect to the shore is 2 meters/second. The velocity of the water with respect to the shore is 1 meter/second. What is the distance traveled by boat after 3 minutes if the boat is traveling in the opposite direction of the water? (Hint: Find the ...

### Calculus

The first boat is sailing towards the North at the speed of 6 km per hour and sees that another boat is heading east at the speed of 5 km per hour. The second boat is to the northwest of the first boat. what is the minimum distance between two boats, assuming that they do not ...

### physics

A girl is skipping stones across a lake. One of the stones accidentally ricochets off a toy boat that is initially at rest in the water (see the drawing below). The 0.058-kg stone strikes the boat at a velocity of 15 m/s, 15° below due east, and ricochets off at a velocity of...

### Physics

A girl is skipping stones across a lake. One of the stones accidentally ricochets off a toy boat that is initially at rest in the water (see the drawing below). The 0.094-kg stone strikes the boat at a velocity of 14 m/s, 15° below due east, and ricochets off at a velocity of...

### physics

While sitting on a frozen pond, a 35kg child throws a 0.5kg ball horizontally at a velocity of +6m/s. Calculate the resulting velocity of the child across the ice.Suppose the child throws the ball upward instead, at a 25o angle above horizontal. a) Calculate the resulting ...

### Physics

Starting from rest, a speedboat reaches a speed of 2.8 m/s in 2.7 s. What is the boat's speed after an additional 3.7 s has elapsed, assuming the boat's acceleration remains the same?

### Physics

A boat which travels 100 km (N), then 40 km (N), and finally 80 km (S). The entire trip takes 6.5 hours. A.) Calculate the total displacement of the boat B.) calculate the velocity of the boat

### Physics

A power boat of mass 495 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 780 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...

### Physics

A power boat of mass 460 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...

### physics

A power boat of mass 465 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...

### physics

Two people are pulling a boat through the water as in the figure below. Each exerts a force of 600 N directed at a è = 20.0° angle relative to the forward motion of the boat. If the boat moves with constant velocity, find the resistive force exerted by the water on the boat.

### physics

Two people are pulling a boat through the water as in the figure below. Each exerts a force of 600 N directed at a è = 45.0° angle relative to the forward motion of the boat. If the boat moves with constant velocity, find the resistive force exerted by the water on the boat.

### cpcc

Two people are pulling a boat through the water as in Figure P4.20. Each exerts a force of 600 N directed at a θ = 45.0° angle relative to the forward motion of the boat. If the boat moves with constant velocity, find the resistive force vector F exerted by the water on ...

### Physics

As two boats approach the marina, the velocity of boat 1 relative to boat 2 is 2.29 m/s in a direction 37.8° east of north. If boat 1 has a velocity that is 0.745 m/s due north, what is the magnitude of the velocity of boat 2?

### maths

A speed boat at the shore wants to overtake a sail boat that is 3 km out at sea. If the sail boat is travelling away from the shore at 1.5km/hr, how fast should the speed boat travel to overtake the sail boat in 5 minutes fro the shore?

### Physics

A boat sets off perpendicular to the bank, to cross a river width of 250m. The speed of the boat in still water is 3.20ms-1, however there is a current downstream at 1.20ms-1, which puss the boat sideways. a) Find the resultant velocity of the boat. b) Find the total distance ...

### Physics

A boat is to be driven from a point on the South bank of a river which flows West-to-East to a destination on the North Bank. The destination is in a direction of N60E from the starting point. The river is 0.2 km wide. The driver of the boat finds that in order to make the ...

### Physics

A boat is traveling upstream at 13 km/h with respect to the water of a river. The water is flowing at 9.0 km/h with respect to the ground. What are the (a) magnitude and (b) direction of the boat’s velocity with respect to the ground? A child on the boat walks from front to ...

### maths

A speed boat at he shore wants to overtake a sail boat that is 3 km out at sea. If the sail boat is travelling away from the shore at 1.5 km/hr, how fast should the speed boat travel to overtake the sail boat in 5 minutes from the shore

### Mechanics 1

At time t = 0, a small boat is at a buoy travelling due east with speed 2 ms−1 . The boat experiences a constant acceleration of (– 0.4i + 0.1j) ms−2 . The unit vectors i and j are directed east and north respectively. (a) Write down the initial velocity of the boat. (1...

### Algebra 2

Two sailboats are 9.8 miles apart and sailing toward each other. The larger boat sails 4 miles per hour faster than the smaller boat. The two boats pass each other after 0.7 hour. Find the speed of each boat. I cannot figure out for the life of me how to set this one up. I ...

### math-mechanics 1

i solved a)u=2i and b)r=2t+1/2[-0.4(i) 0,2(j)] at c) i don t have idea how to solve At time t = 0, a small boat is at a buoy travelling due east with speed 2 ms−1 . The boat experiences a constant acceleration of (– 0.4i + 0.1j) ms−2 . The unit vectors i and j are ...

### physics

As two boats approach the marina, the velocity of boat 1 relative to boat 2 is 2.20m/s in a direction 47.0 ∘ east of north. If boat 1 has a velocity that is 0.745m/s due north, what is the velocity (magnitude and direction) of boat 2?

### Physics

a speed boat is moving though the water at a speed of 28 m/s when the engine stalls. the boat comes to a halt over 120m, what is the time it takes to stop and what is the acceleration. im trying to figure it out but i don't know what kinematic equation to use

### physics

1. A yacht is tacking into the wind on a zigzag path. On the rst leg of the course, the yacht has a displacement of 12 km at 840 north of east. After a second leg has been completed, the yacht's resultant displacement is 10 miles at 230 west of south. Determine the magnitude ...

### gen physics

A 152 kg boat is at rest in a calm lake at the end of a dock. A 85.6 kg person running down the dock leaps into the boat with a horizontal velocity of 4.58 m/s. Ignore all effects of friction and resistance due to the water. a) Find the kinetic energy of the person before ...

### Science

A 70kg person dives horizontally from a 200kg boat with a speed of 2 m/s. What is the recoil speed of the boat?

### Physics

Batman (mass = 90 kg) jumps straight down from a bridge into a boat (mass = 530 kg) in which a criminal is fleeing. The velocity of the boat is initially +20 m/s. What is the velocity of the boat after Batman lands in it?

### Physics

Batman (mass = 95 kg) jumps straight down from a bridge into a boat (mass = 560 kg) in which a criminal is fleeing. The velocity of the boat is initially +10 m/s. What is the velocity of the boat after Batman lands in it?

### Physics

Batman (mass = m kS) jumps straight down from a bridge into a boat (mass - 510kS) in which a criminal is fleeing. The velocity of the boat is initially + 11 m/s. What is the velocity of the boat after Batman lands in it?

### physics

Batman (mass = 89.1 kg) jumps straight down from a bridge into a boat (mass = 452 kg) in which a criminal is fleeing. The velocity of the boat is initially +12.9 m/s. What is the velocity of the boat after Batman lands in it?

### Physics

Batman (mass = 75.6 kg) jumps straight down from a bridge into a boat (mass = 631 kg) in which a criminal is fleeing. The velocity of the boat is initially +10.4 m/s. What is the velocity of the boat after Batman lands in it?

### PHYSICS

Batman (mass = 87.3 kg) jumps straight down from a bridge into a boat (mass = 680 kg) in which a criminal is fleeing. The velocity of the boat is initially +14.8 m/s. What is the velocity of the boat after Batman lands in it?

### Physics

A boat travels across a wide river. if the boat can travel at a speed of 25 mph and its pilot heads in a direction of 30 degrees, while the current's velocity is 5.1 mph at a heading of 270 degrees, what will the final velocity of the boat be?

### Physics

A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/h. The boat arrives at the opposite bank in 1.25min. Calculate the component of the boat's velocity directed across the river. ...

### Science

A boat moves at a speed of 15 km/h in still water. The river it is traveling in flows at a rate of 3 km/h downstream. What is the velocity of the boat if it travels downstream? What is the velocity of the boat if it travels upstream?

### Physics

A power boat of mass 475 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 770 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume -- contrary to fact -- that the resistive force due to the water is ...

### phy

A boat can travel 2.60 m/s in still water.If the boat points its prow directly across a stream whose current is 1.10 m/s, what is the velocity (magnitude and direction) of the boat relative to the shore? What will be the position of the boat, relative to its point of origin, ...

### Physics

As two boats approach the marina, the velocity of boat 1 relative to boat 2 is 2.20m/s in a direction 47.0 ∘ East of North. If boat 1 has a velocity that is 0.745m/s due North, what is the(magnitude and direction) of boat 2?

### Word Problem-Icky

Two sailboats are 9.8 miles apart and sailing toward each other. The larger boat sails 4 miles per hour faster than the smaller boat. The two boats pass each other after 0.7 hour. Find the speed of each boat. I cannot figure out for the life of me how to set this one up. I ...

### physics

A boat that travels at a speed of 6.75 m/s in still water is to go directly across a river and back, as shown in the figure below. The current flows at 0.50m/s At what angles must the boat be steered? How long does it take to make the round-trip? (Assume that the boat's speed ...

### Physics(Please help)

1) A man (mass = 80.9 kg) jumps straight down from a bridge into a boat (mass = 482 kg) in which a criminal is fleeing. The velocity of the boat is initially +14.5 m/s. What is the velocity of the boat after the man lands in it? would I subtract the two masses and then ...

### mechanics

(b) A boat heads North at 2.4 ms-1 across a river that flows East at 1.6 ms-1. (6 marks each) (i) Calculate the resultant velocity of the boat. (ii) The river is 30 m wide. What is the displacement from the starting point when the boat reaches the far bank?

### AP PHYSICS

A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.15 s. At the end of this time, the boat continues for an additional 6.25 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.55 s. (a) What is the velocity of the boat ...

### Physics

A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.05 s. At the end of this time, the boat continues for an additional 6.15 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.50 s. (a) What is the velocity of the boat ...

### Physics

A speedboat starts from rest and accelerates at +1.98 m/s2 for 8.25 s. At the end of this time, the boat continues for an additional 5.58 s with an acceleration of +0.348 m/s2. Following this, the boat accelerates at -1.42 m/s2 for 7.22 s. (a) What is the velocity of the boat ...

### physics

a boat heads directly across a river with a speed through the water 8m/s. the river current is 2m/s a. what is the magnitude and direction of the boat velocity relative to the earth? b.when the boat reaches the other bank, how far will it be?

### physics

Two boats start together and race across a 42 km wide lake and back. Boat A goes across at 42 km/h and returns at 42 km/h. Boat B goes across at 21 km/h, and its crew, realizing how far behind it is getting, returns at 63 km/h. Turnaround times are negligible, and the boat ...

### physics

Two boats start together and race across a 42 km wide lake and back. Boat A goes across at 42 km/h and returns at 42 km/h. Boat B goes across at 21 km/h, and its crew, realizing how far behind it is getting, returns at 63 km/h. Turnaround times are negligible, and the boat ...

### physics

Two boats start together and race across a 42 km wide lake and back. Boat A goes across at 42 km/h and returns at 42 km/h. Boat B goes across at 21 km/h, and its crew, realizing how far behind it is getting, returns at 63 km/h. Turnaround times are negligible, and the boat ...

### calculus

Boat A leaves the dock at 12pm heading due South at a constant speed of 20 km/h. Meanwhile, at 12pm Boat B, a pirate ship, is 15 km due West of the dock where boat A started, and is sailing due East at a constant speed of 15 km/h. If the pirates get within 10 km of another ...

### Physics

A small boat is crossing a river which flows at 10km.h. The driver of the boat keeps it heading directly (at 90) away from the bank at a speed of 24 km/h relative to the water. The river is 0.5 km wide. I calculated the speed of the boat relative to land - 26km/h I calculated ...

### physics

A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an additional 4.55 s with an acceleration of +0.468 m/s2. Following this, the boat accelerates at -0.657 m/s2 for 8.38 s. (a) What is the velocity of the boat...

### physics

A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an additional 4.55 s with an acceleration of +0.468 m/s2. Following this, the boat accelerates at -0.657 m/s2 for 8.38 s. (a) What is the velocity of the boat...

### physics

A speedboat starts from rest and accelerates at +1.68 m/s2 for 5.43 s. At the end of this time, the boat continues for an additional 8.16 s with an acceleration of +0.475 m/s2. Following this, the boat accelerates at -0.866 m/s2 for 7.54 s. (a) What is the velocity of the boat...

### physics

A 300kg motorboat is turned off as it approaches a dock and it coasts in toward the dock at .5 m/s. Isaac, whose mass is 62kg, jumps off the front of the boat with a speed of 3m/s relative to the boat. what is the velocity of the boat after Isaac jumps?

### physics

A 300kg motorboat is turned off as it approaches a dock and it coasts in toward the dock at .5 m/s. Isaac, whose mass is 62kg, jumps off the front of the boat with a speed of 3m/s relative to the boat. what is the velocity of the boat after Isaac jumps?

### physics

Two boats start together and race across a 42 km wide lake and back. Boat A goes across at 42 km/h and returns at 42 km/h. Boat B goes across at 21 km/h, and its crew, realizing how far behind it is getting, returns at 63 km/h. Turnaround times are negligible, and the boat ...

### physics

Imagine a boat is being rowed upstream where v1 is the velocity of the boat and v2 is the velocity of the stream. What is the time required if the boat tends to cross the river along the shortest path?

### physics

a boat of mass 90 kg is floating in still water a body of mass 30 kg walks from the stern to the boat the length of the boat is 3m. calculate the distance through which the boat move.

### physics 1

A boat has a cannon on board that faces aft. The boat is capable of traveling at 19 m/s on still water. The boat is traveling North on a river that has a current flowing south at a rate of 10 m/s. Following 20m directly behind the boat is a raft that is traveling at 13 m/s ...

### Physics

A boat has a cannon on board that faces aft. The boat is capable of traveling at 19 m/s on still water. The boat is traveling North on a river that has a current flowing south at a rate of 10 m/s. Following 20m directly behind the boat is a raft that is traveling at 13 m/s ...

### physics

A boat’s speed in still water is 1.80 m/s . The boat is to travel directly across a river whose current has speed 1.20 m/s . Determine the speed of the boat with respect to the shore.

### physics

starting from reast a boat increases its speed to 4.12 m/s with constant acceleration. (a) what is the boat's average speed? (b) If it take the boat 4.77s to reach this speed, how for has it traveled?

### physics

Starting from rest, a boat increases its speed to 4.92 m/s with constant acceleration. (a) What is the boat's average speed? (b) If it takes the boat 5.07 s to reach this speed, how far has it traveled?

### Physics

Could someone help me with this, please. Thanks. The tension in a rope attached to a boat is 27.5 lb. The rope is attached to the boat 6.0 ft below the level at which the boat is being drawn in. At the point where there is 18.0 ft of rope out, what force is bringing the boat ...

### physics

10 people,each of mass 70 kg, stand on a boat with a mass of 1000 kg. they jump off one end of the boat with velocity 1 m/s relative to the boat. the boat rolls in the opposite direction without friction. a what is the final velocity of the boat if all the people jump at the ...

### Physics

The tension in a rope attached to a boat is 27.5 lb. The rope is attached to the boat 6.0 ft below the level at which the boat is being drawn in. At the point where there is 18.0 ft of rope out, what force is bringing the boat towards the dock, and what force tends to raise ...

### Further maths

A boat p moving due north at a speed of 5m/s.A boat Q is moving due east at a speed of 10m/s,calculate:(1)the magnitude of the velocity of P relative to Q,and(2)the bearing of the velocity of P relative to Q

### Physics

A boat is to be used to cross a river of width w that is flowing with a speed v. The boat travels with a constant speed 2v relative to water. At what angle should the boat be directed in order to arrive at a point directly across from its starting point? (draw a diagram ...

### physics

A motor boat whose speed is 2.6 m/s in still water, needs to point upstream at an angle of 28.5 in order to travel straight across the river. Calculate the speed of the current and the resultant velocity of the boat across the river.

### Physics

A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/h. The boat arrives at the opposite bank in 1.25min. Calculate the component of the boat's velocity directed across the river. ...