1) When pions are brought to rest their lifetime is 1.77 10-8 s. A beam of pions is produced in an accelerator and moves at a speed of 0.99c relative to the laboratory. After moving 39 m as measured in the la,
Q: A 4-kg ball has a momentum of 12kg*m/s. What is the ball's speed?
A: Given data: Mass (m) = 4 kg Momentum (P) = 12 kg.m/s Required: The ball's speed (v)
Q: A 76 kg man pushes off from the 84kg block on ice and slides away at a speed of 3 m/s What is the…
A: Given Information Mass of man =76 kg Mass of block= 84 kg Speed = 3 m/s To Calculate: Speed of the…
Q: A race car has a maximum speed of .104 km/s what is the speed and miles per hour
A: Given data: The maximum speed (v) = 0.104 km/s Required: The maximum speed of car in miles per hour
Q: A 60 kg man pushes off from the 71kg block on ice and slides away at a speed of 4 m/s What is the…
A: Mass of man, M=60kg Mass of block, m=71kg Speed of man, V=4m/s Let Speed of block be v.
Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…
A: Given: mass m = 6kg final velocity v = 5 m/s To find: height, s=??
Q: only a N Is applled, the boX WIII COver X distance in 4 s, and if only a 100 N is applied, the box…
A: friction force always oppose the relative motion . when we applied the force on block frictional…
Q: Ignoring air resistance, from how high above thr ground would a 0.3 kg ball need to be dropped to…
A:
Q: What is the height in meters of a 3 foot 3.0 inch tall person ?
A: Given:- The height of the person is h = 3 foot 3.0 inch Find:- The height in the meter?
Q: car accelerates from 25 km/hr to 55 km/hr in 30 seconds. What is its acceleration?
A:
Q: A car is dr giving down the highway at 25 m/s what is the car's speed in km/h?
A: Given data: Speed of a car (v) = 25 m/s Required: Speed of the car in km/h
Q: in four seconds a hawk can go from 10m/s to a 20m/s.how much Forst does it need to apply to reach…
A:
Q: You have a man 100kg and a gorilla 150kg, if the man can lift 90kg, what can the gorilla lift?…
A: If scaling is to be performed, as mentioned in the question, notice that man can lift weight which…
Q: A race car has a maximum speed of .104 km/s what is the speed and miles per hour
A: We know that,The maximum speed , v=0.104 km/s1 km=1000 m1 mile=1609.34 m1 hour=3600 seconds
Q: At highway speeds, an automobile is capable of an acceleration at about 1.6 m/s?. For how long was…
A: Given that,acceleration, a=1.6ms2velocity, v=16mstime taken, t=?
Q: if a 6kg mass is dropped from a height of 10 meters, what is the velocity of the mass right before…
A:
Q: An object has a mass of 45 kg and has an acceleration of 2.6 m/s2. The force in Newton acting on the…
A: From Newton's 2nd law we know that F = ma where, F = force acting on the object m =…
Q: A 250-g ball travels at a velocity of 40 m/s. Its momentum is what?
A: Momentum:- It is the product of the mass of the object and velocity is called momentum.…
Q: A 60 kg man pushes off from the 114kg block on ice and slides away at a speed of 2 m/s What is the…
A:
Q: A cheetah can accelerate from rest to a speed of 30 meters per second in 7 seconds. What is its…
A: Given that initial speed = 0 m/s final speed = 30 m/s time = 7 s we know that acc = v - u / t
Q: A bullet hits a wooden block on the underside and becomes embedded in it. The mass of the bullet is…
A:
Q: A snail crawls 30 inches in 5 minutes what’s the snails speed ?
A: Here, 30 inches=30in.×0.0254m1 in.=0.762m And, 5 min=5min×60s1 min=300s
Q: A 9 kg ball is thrown at 6 m/s. What is the ball's momentum?
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Q: A 3. A bullet fired from a gun has a KE of 10,500 J. What is the mass of the bullet if it moves at…
A:
Q: If a .300KG rubber ball is dropped from a 3m wall. How fast is it right before it bounces back?
A: Given data The mass of the rubber ball is m = 0.3 kg The height of the wall from where the ball is…
Q: A car that travels at 9.1 km/hr for 2.0 hrs, at 7 for 1.0 hr and at 9 for half an hour. What is its…
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Q: Use the following information to answer the next question Two oppositely charged parallel plates…
A: Determine the electric field.
Q: George O'Malley weighs 150 kg and he is riding his car going to Manila as it moves to a speed of 15…
A: The mass m=150kg The speed =15m/s To find the kinetic energy
Q: A 66 kg man pushes off from the 108kg block on ice and slides away at a speed of 4 m/s What is the…
A: Given: Mass of a man (m) = 66 kg. Mass of a block (M) = 108 kg. Speed of man (v) = 4 m/s.
Q: A 2000kg car traveling at 21 m/s takes 51m to stop under full braking. The same car under similair…
A: Given : m = 2000 kg vo = 21 m/s s = 51 m v = 0 (because finally the car stops) To determine :…
Q: A multiple tackle / pulley is used to lift a 20kg load with a force of 40N. If the length of the…
A: Given : Mass of a pulley (m) = 20 kg Force (F) = 40 N Length of the rope (L) = 3 m
Q: A car that gets 25 miles per gallon and want to estimate how many hours from now you will need to…
A:
Q: slide 7.8 meters long makes an angle of 33º with the ground. How high is the top of the slide above…
A: Given that: The length of the slide is 7.8 m. The angle is θ=33°. It is required to determine the…
Q: A 50 kg man pushes off from the 94kg block on ice and slides away at a speed of 3 m/s What is the…
A:
Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…
A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J
Q: A car of mass is 60 kg moving with a velocity of 10 m/s. What is the speed bin km/h. What is…
A: Momentum is defined as the p =m v where, m is the mass and v is the velocity.
Q: If a 0.2 kg ball is thrown with a velocity of 6 m/s, what is its KE?
A: Given data: Mass (m) = 0.2 kg Velocity (v) = 6 m/s Required: Kinetic Energy (KE)
Q: How was 3.15 derived as the Vf of the ball in the provided solution.
A:
Q: dropped a 2kg rock from a cliff and it hits the ground 2 seconds later. How high is the cliff? 5m…
A: Given data, Rock is dropped from cliff i.e., initial velocity is zero, u=0 Only acting acceleration…
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