What are (a) the frequency, and (b) the energy (in eV) of a photon of light having a wavelength of 2.9 x 107 m? The value for Planck's constant is 4.13 x 10-15 eV-s. Express your answer to part (a) in scientific notation.
Q: A boy is trying to roll a bowling ball up a hill, as shown in the image below. If friction is…
A: Given that, The height of the hill, h = 40 m We need to find the minimum initial velocity that the…
Q: 16. How fast do you need to kick a soccerball above you in order to get it to travel 80.0 meters…
A:
Q: What is the final velocity of a bicycle at rest if it accelerates at 25 m/s/s in 6.0 seconds? O 150…
A: Given: The acceleration of bicycle is a=25 ms2. The time is t=6 s. The expression to calculate…
Q: A car starts from rest and travels at a constant acceleration of 600 kilometers per hour^2 along a…
A:
Q: A bicycle travels 12 km in 40 min. Its speed is a. 0.3 kph b. 8kph c. 18 kph d. 48 kph Acceleration…
A:
Q: 20. Determine the force of gravitational attraction between a 67-kg father and his 12.8- kg son if…
A: Given data : Father mass m1 = 67 kg Son mass m2 = 12.8 kg Distance between father & son r =…
Q: What will a scale that measures Newtons read for the weight of a 55.0kg person in an elevator that…
A:
Q: Match the items. The mass of your brand-new motorcycle is 250 kg. (I used 9.8m/s/s for all…
A: Given that: The mass of the motorcycle on earth is 250 kg. The acceleration of gravity on earth is…
Q: A car traveling with an initial velocity of 40 m/s accelerates at 5 m/s2. What is the car’s final…
A:
Q: 0011 caleyd B. inclined track with hanging mass (no friction) 1. Set up your track with some angle…
A:
Q: 15. What is the mass of a stone which accelerates at a rate of 2.0 m/s? when a newtons is placed on…
A:
Q: velocity 3 s after the start?
A: Given data; Accleration of a trolley is; a=2 cm s-2Time,t=3 sFind velocity 3s after the start ?
Q: When a braking force, F, is applied to a car moving at a speed v, the car comes to a stop in 8.0 s.…
A: Given data: Time taken to stop (t) = 8.0 s Initial velocity (Vi) = v Final velocity (Vf) = 0 New…
Q: A 9900 N small car is moved by a 650 N force. If the car starts from the rest, then how fast is it…
A:
Q: 14. Starting from rest, an airplane needs 500 meter of runway and time required is 25 seconds. Find…
A:
Q: A sprinter moving at 10 m/s slow down at the rate of 1.4 m/s2.How fast is the runner moving after 3…
A: According to the equation of motion, the velocity after t seconds can be determined.
Q: If your mass on Earth is 55kg, what is your mass on the moon? a. 55kg c. 550 kg b. 55 N d. 550 N
A: Mass is always constant. Mass can not change. Weight change due to change of gravity.
Q: 9. A parachuter falls such that the air resistance is about one-eighth of his velocity. Assuming…
A: To determine: The total distance travelled after time, t=5 seconds. The air resistance is about…
Q: after 7 se
A: Given: Acceleration of airplane is 5 m/s2 Time is 7 seconds
Q: A car was traveling at 20 m/s and then started increasing its speed by 5 m/s for every 10 seconds…
A:
Q: In class we used the ’How-fast‘ and ’How-far‘ method to determine the speed and distance that an…
A: Given data: Initial velocity (V0) = 0 m/s Time (t) = 4 seconds Required: Speed of the object when…
Q: A stone is dropped from a height of 45 m. Approximately how long does it take to hit the ground?…
A: Given data: Initial velocity (v0) = 0 m/s Height (h) = 45 m Required: Time (t) taken to hit the…
Q: You are standing in a moving bus, facing forward, and you suddenly fall forward. This happens…
A: Inertia is defined as a property of matter by which it remains at the state of rest or in uniform…
Q: In which case will the object have the greatest acceleration? ... A В C D 80 N 20 N 50 N 60 N 80 N…
A:
Q: If a bus traveling at 21 m/s is subjected to a steady deceleration of 3 m/s?. How long will it take…
A: Given data : Deceleration = a Final velocity = v…
Q: Ten seconds after starting from rest, a car is moving at 40 m/s. What is the car's acceleration in…
A:
Q: 8. Which of the following describes acceleration? rate of change of velocity over time the time it…
A: Rate of change of distance over time is called as speed.
Q: You are on one of those fast roller coasters that is traveling at 30 m/s and it accelerates at 4…
A:
Q: A train is accelerating at a rate of 2 m/s2. If its initial velocity is 20 m/s. what is its velocity…
A: Initial velocity, u = 20 m/s Acceleration, a = 2 m/s2 Time, t = 30 s Applying the first equation…
Q: A 70.0-kg man is standing on a scale in an elevator that is accelerating upward at a rate of 2.00…
A: Given data: Mass (m) = 70.0 kg Acceleration (a) = 2.00 m/s2, upward Required: The reading of scale
Q: 0.17 kg hockey puck traveled across the ice at 2.2 kg m/s. What was its velocity?
A:
Q: What is the final velocity of a car that starts from rest and accelerates at a rate of 5 m/s² for 10…
A: Given data: Initial velocity (vi) = 0 m/s Acceleration (a) = 5 m/s2 Time (t) = 10 s Required: Final…
Q: If you run a complete loop around an outdoor track of length 392 m in 134 s, what is your average…
A:
Q: A 150-kg bag of rocks weighs 3200 N on Planet X. What is the acceleration due to gravity of Planet…
A: weighs w=mg
Q: Need help with the formulas and what needs to be done because it’s a chain
A: 1.Let the initial velocity of the object be defined as u and let the final velocity of the object be…
Q: BIU As safe as school buses are made to be, there are still sometimes accidents which result in…
A: According to the newton second law of motion, F=ma where F is the force applied on the body, m is…
Q: A student gets on an elevator and stands on a scale. Before pressing a button, the scale reads 680.…
A: Given: Scale reads 680 N Elevator accelerates scale reads 800 N
Q: 49. A parachuter falls such that the air resistance is about one-eighth of his velocity. Assuming…
A:
Q: V In 1865 Jules Verne proposed sending men to the Moon by firing a space capsule from a 220-m-long…
A:
Q: skateboarder starts up a 1.0-m-high, 30∘ ramp at a speed of 6.7 m/s. The skateboard wheels roll…
A:
Q: 32. A motorcycle moving at a constant velocity suddenly accelerates at a rate of 4 m/s? to a speed…
A: From the question it is given that Acceleration of motorcycle: a = 4 m/s2 Final speed of…
Q: 5. A 0.15 kg marble is on a track. It is being held at the top of a hill that is 5 m high. If it is…
A:
Step by step
Solved in 2 steps with 1 images