What will be its speed relative to ground

Reference no: EM1318963

Q1. A hockey player is standing on his skates on the frozen pond when an opposing player, moving with a uniform speed of 13 m/s, skates by with the puck. After 2.5 s, the first player makes up his mind to chase his opponent.

(a) If he accelerates uniformly at 4.0 m/s2, how long does it take him to catch his opponent? (Imagine the player with the puck remains in motion at constant speed.)

(b) How far has he travelled in this time?

Q2. The pilot of an aircraft wishes to fly due west in a 57 km/h wind blowing toward the south. The speed of the aircraft relative to the air is 200km/h.

(a) In what direction should aircraft head?

(b) What will be its speed relative to ground?

Reference no: EM1318963

Questions Cloud

Solving the equation algebraically : Solving the equation algebraically

Moment that the monkey is halfway between the ends of bar : You shoot an arrow into the air. Two seconds later arrow has gone straight upward to a height of 30 meters above its launch point. a) What was the arrow's initial speed? b) How long did it take for the arrow to first reach a height of 15 meters ab..

How long does it take to catch the motorist : The two forces in each pair could have different physical origins (for instance, one of the forces could be due to gravity, and its pair force might be due to friction or electric charge).

What were direction and length of her second displacement : A car of mass M = 800kg travelling at 50km/hour enters a banked turn covered with ice. The road is banked at an angle 20degrees, and there is no friction between the road and the car's tires.

What will be its speed relative to ground : A hockey player is standing on his skates on the frozen pond when an opposing player, moving with a uniform speed of 13 m/s, skates by with the puck. After 2.5 s, the first player makes up his mind to chase his opponent.

Find out the tension in the rope : A ranger in a national park is driving at 41km/h when a deer jumps onto the road 66 m ahead of the vehicle. After a reaction time of t s, ranger applies the brakes to produce an acceleration of -3.20m/s2. What is the maximum reaction time allowed ..

Two point charges are on the y-axis : A copper telephone wire has essentially no sag between poles 20.5 meters apart on a winter day while the temperature is -15.5° C. How much longer is the wire on the summer day when the temperature is 27.0° C.

Find the change in the kinetic energy of sled : A recent tomb has been unearthed in Egypt that shows the set of wall paintings and hieroglyphics of stars falling to and rising above the horizon over the course of the year (these stars served as sentinels for the pharaoh's passage through the un..

Frame an equation : Frame an equation.

User Account

All Pages