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Question: You are going to go across the Mississippi river from East to West bank by rowing your kayak. You know you can row 3 m/s in still water. You discovered that river flows with a water speed of 2 m/s from North to South.
Part A: What direction should you aim at in order to go across the river in the shortest time?
Rework your solution for above question from the starting and check each step carefully.
the distance between new york and los angeles is about 5000 km. a jet traveling at a speed of 815 kmhour leaves new
A boy kicks a football with an initial velocity of 28.0 m/s at an angle of 30.00 above the horizontal. What is the highest elevation reached by the football
At the instant a traffic light turns green a car that has been waiting at the intersection starts ahead with a constant acceleration of 2.00 m/s2. Determine the speed the car when it passes the truck
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. What is the magnitude of the electric field in the membrane
Starting from rest, a 2.4x10-4 kg flea springs straight upward. What is the flea's speed when it leaves the ground
A woman on a bridge 90.0 m high sees a raft floating at aconstant speed on the river below. She drops a stone fromrest in an attempt to hit the raft. Find the speed of the raft
A 205-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp isinclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is0.900, and the log has..
a short bar magnet placed with its axis at 30ordm with a uniform external magnetic field of 0.25 t experiences a torque
"Beats" in sound refer to: Interference of two waves of the same frequency. Effect of relative motion of source and observer. Two media having slightly different sound velocities
High-speed photos of a 240 flea jumping vertically show that the jump lasts 1.4 and involves an average vertical acceleration of 100, What's the change in the flea's momentum during its jump
A refrigerator requires 10 J of work and exhausts 70 J of heat per cycle. What is the refrigerator's coefficient of performance
A lead bullet with a mass of 0.03 kg traveling at 187 m/s strikes an armor plate and comes to a stop. what is the temperature change
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