The ionization potential of a helium atom is 24.5 V. Determine the work of ionization.
Q: Two motorcycles are at rest and separated by 7.5 m. They start at the same time in the same…
A: Initial velocity of each motorcycle (u) = 0 msacceleration of the motorcycle at the back (a1) = 1…
Q: An object moves in a circle of radius R at a constant speed with a frequency of 4.9 rev/s. Its…
A: The acceleration of the object, a=8.5 m/s2 The angular speed, ω=4.9 rev/s
Q: An object is dropped on Earth (g = 10m/s/s). How fast will it be going after 3 seconds?
A: Given:- An object is dropped on Earth and having acceleration due to gravity is 10 ms2 To…
Q: a stone is dropped from a 85 meter high tower and at the same time another stone was thrown upward…
A:
Q: A rock is thrown upward at 15 m/s. How fast is it moving if it is 5 m high?
A:
Q: A bike and a rider have a mass of 210 kg and a speed of 19 m/s. What is the shortest distance he can…
A:
Q: If I toss a ball straight up with an initial velocity of 96ft/s, how long will it take for the ball…
A: Given data: Initial velocity (Vi) = 96 ft/s, upward Acceleration due to gravity (g) = 32 ft/s2,…
Q: How fast is a dropped object moving after it falls for 4 s?
A: Given data: Initial velocity (u) = 0 m/s Time (t) = 4 s Required: Final velocity (v)
Q: A car moving at 5 m sl is brought to rest after travelling a distance of 1.5 km. The time taken by…
A: Given Data : The speed of the car is given as v=5 ms. The distance travelled by car before stopping…
Q: At t=0, a car registers at 30 miles/hr. Forty seconds later, the car’s velocity is now at 50…
A: The given data are: u=30 miles/hr=303600 miles/s=1120 miles/sv=50 miles/hr=503600 miles/s=172…
Q: A hockey puck is hit on a frozen lake and starts moving with a speed of 14.1 m/s. Five seconds…
A:
Q: A kid in a wagon rolls from rest down a hill and reaches the bottom at 12 m/s. On the next run she…
A: From kinematics equation, the formula for the velocity is: Since the wagon roll is not experiencing…
Q: An airplane drops a care package in warzone.I want to find out how fast the care package travels…
A:
Q: A rock is thrown upward at a speed of 10.7ms. How high will it rise?
A:
Q: 20 15 A 10 F 1 2 3 time (hour) 6. B. position (km)
A:
Q: A basketball with an invitation speed of 7.75 m/s rolls (with slipping) up a slanted sidewalk. How…
A: Write a given values of this question. u=7.75m/sv=0m/s
Q: An airplane starts from 24.5 m/s and accelerates at 18.3 m/s2. What is its speed at the end of a 518…
A: The given data are: u=24.5 m/sa=18.3 m/s2s=518 m Here, u is the initial speed, a is the…
Q: You shoot a cannonball off the side of a cliff. The cannonball leaves the cannon at 30 m/s , and it…
A: Given Velocity of the cannonball is u = 30 m/s and the horizontal distance covered by the cannonball…
Q: 6. With what velocity should the rock be launched to reach a maximum distance of 4R,?
A:
Q: At 12 am, train A sets off due west at a fixed speed of s mph. Train B sets off due east from the…
A: Given:Speed of train A due west from the station at 12 am = s mphSpeed of train B due east after 2…
Q: Suppose you bungee jump with a 100 meter long rope. How fast are you going after you have fallen 50…
A: If I bungee jump then I fall with acceleration a = g = 9.8 m/s2
Q: A particle moving in a circle of radius 25 cm at 2 revolutions per second. The acceleration of the…
A: The angular speed is, ω=2πf=23.142=12.56 rad/s
Q: Which of the following could be a position graph for motion with acceleration = 0? O 120 100 ပျေoso…
A: Concept : acceleration is zero means object is moving with constant speed/velocity. That means no…
Q: The pitcher mound in baseball is 85 meters from the home plate . If it takes 4.1 seconds for a pitch…
A: Distance of pitcher mound from home plate, d = 85 m Time, t = 4.1 s
Q: car traveling with the initial speed of 30 m/s and traveling a distance 450 m with the final…
A: A car initial speed u = 30 m/s The final speed of the car is v = 80 m/s The distance travel by the…
Q: The instantaneous acceleration at time t = 8 s is m/s2. The instantaneous acceleration at time t =…
A:
Q: A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to…
A: Solution:
Q: 6.A woman swims the length of a 112-m pool and back again (one lap) in 108.03s with a constant…
A:
Q: 11- If the velocity given by V (10-5t)i + 6j. then at t-2s will be? O A) 12 m/s O B) 8 m/s O9 6 m/s…
A: Given*The velocity vector is V→=(10-5t) i^+ 6 j^*The time is t =2 sAt time t = 2 s the velocity is…
Q: The distance covered by an object (in metre) is given by s = 8t3 - 7t2+ 5t Find its speed at t = 2…
A:
Q: A ball is dropped from the top of a 100 m building. What is its’ speed after falling for 2.8 secs?
A: The equation to determine the velocity,
Q: John can fly his airplane 2140 miles with a wind speed of 25 mph in the same time he can travel 1940…
A:
Q: A car falls from a height of 25 m. How fast does it go to the bottom??
A: The kinematic equation involving the final speed (v), initial speed (u), acceleration (a) and the…
Q: A boy tosses a coin straight up to 2.2 m. Suppose the height when the coin leaves his hand is 1.3 m.…
A: Initial height of the coin in boy's hand = 1.3 m The height of the coin when it tosses = 2.2 m The…
Q: You are on one of those fast roller coasters that is traveling at 30 m/s and it accelerates at 4…
A:
Do it Fast, within 10 minutes.
Step by step
Solved in 2 steps
