14. A system of objects or a description of objects that are not moving with respect to one another is a frame of reference relationships reference point relative motion

Q: Bertie was able to drive 237 km in 2 hours and 30 minutes. The last 50.0 km was slowed due to…

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Q: 25.4 m 4 km hr hr

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Q: An anemometer measures which of the following ?   A) Speed of light B) Speed of wind C) Speed…

A: The anemometer is the measuring device used to measure wind speed and wind pressure . The device…

Q: 18- The speed of light in vacuum is about: A. 1100 ft/s B. 93 x 10*6 m/s C.6 x 10*23 m/s D. 3 x…

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Q: 52.9 m/s 1.606 m/s 0.755 "/s 73.5 "/s

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Q: 549.76 sft Express your answer to five significant figures. 167.57 m

A: Given data: 549.76 ft Required: The equivalent value of 549.76 ft in meters

Q: A stone is dropped from the deck of a bridge. The sound of the splash reached the deck 3 secs later.…

A: The sound of the splash reached the deck = 3 secs  The speed of sound = 342 m/s in still air

Q: a gust of wind strikes a window? action =  reaction =   resulting motion =

A: Wind is the motion of molecules(air, dust, etc.) in the space around us. As air molecules move, they…

Q: (b) Deandre is hiking toward his campsite at a constant pace. A few miles from the campsite, he sees…

A: Solution: as given that Deandre is hiking for capasite with constant pace. he takes the different…

Q: 14. The time required for a rotating, revolving, or vibrating object to complete one cycle is the…

A: As per guidelines , only first 3 subparts are solved here. 14. The time required for a rotating ,…

Q: You drop a marble from the top of a 90.2 meter building. The speed of the marble is ( _)m/s when it…

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Q: A 1.2 ton car moving at 30 kilometers per hour bumps the rear of a 1.8 ton car moving in the same…

A: Given data: The mass of the first car, m1=1.2 ton. The mass of the second car, m2=1.8 ton. The…

Q: An object is fired vertically up from the edge of the top of a 80 m high building. It reaches the…

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Q: pedro who is on top of a roof of a high building drop a piece of metallic material a second piece of…

A: Given data *The time difference between two pieces is t2-t1=2.0 s *The second material reaches a…

Q: The separation between the object and the reference point (origin) is called Displacement Position.…

A: In making the zero mark the reference point, you have chosen a frame of reference. The exact…

Q: A spring 0.2 m long extends 0.001 m when a mass of 72 kg is hung from it.  How far will a similar…

A: GivenFor spring 1length of spring ,L1=0.2 mMass hung with spring ,m1=72 kgSpring extend to length…

Q: A stone is dropped from the deck of a bridge. The sound of the splash reached the deck 3 secs later.…

A: Apply the second kinematics equation and substitute the required values.

Q: scalar or vector.

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Q: A stone is dropped from the deck of the bridge. The sound of the splash reached the deck 3 secs…

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Q: what is displacement   what is gradient and velocity

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Q: A 7 Kg bowling ball is dropped off a 10 meter diving platform. a) With what speed in meters per…

A: Potential energy of an object of mass m at some height h from the ground is given by mgh Kinetic…

Q: 1110 km, 10- hour flight was travelled at 2 speeds. For the first part of the trip. The average…

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Q: Water drops from a faucet at the rate of 4 drops per second. What is the distance between two…

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Q: 10. Gravitational constant, G from SI to English units.

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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: the question is not clear please let me know I will re-write it

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Q: A person holds a rifle horizontally and fires at a target. The bullet leaves the muzzle of the rifle…

A: Given: The velocity of the bullet is 460 m/s. The speed of sound is 340 m/s.

Q: Choose the correct letter of the answer and provide justification

A: Comment: Since we only answer up to  1 question, we’ll answer the 1st question only. Please resubmit…

Q: set up an equation, and solve the problem. A mallard duck can migrate 500 miles in the same time a…

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Q: A hiker sees a lightning flash; 18 s later he hears the sound of the thunder. Recalling from his…

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Q: An explosion causes debris from the ground to rise vertically with an initial velocity of 160 feet…

A: Given data: Initial velocity (v0) = 160 ft/s Height (h) = 300 ft Required: The speed at height 300…

Q: 6.Figure shows a strip of ticker tape pulled through a ticker-timer by a freely falling metal…

A: Given data: It is given in the figure that the ticker is accelerating from right to left side. The…

Q: An object was dropped from above a 1.5 m-tall window. The object travels from the top of the window…

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Q: The three pieces of information required to know the position of an object are the: _______ the…

A: The position is a vector quantity that tells us how far we are from a reference point in a…

Q: A​ "bullet" train set a new world record for train speed at 552 kilometers per hour during a manned…

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Q: A student stands on the edge of a merry-go-round which rotates five times a minute and has a radius…

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Q: In science, the explanation of a phenomenon is acic

A: the study of and knowledge about the physical world and natural laws

Q: A common unit for speed used in sailing is the knot (nautical miles per hour).  A nautical mile is…

A: Given, Speed of the boat VB = 22 knots Speed of the car: VC = 22 mph 1 knot = 1.15 mph ∴VB=22 knots…

Q: Choose the BEST answer to the following: As a blinking light source approaching you gains in speed,…

A: The observed frequency of the light is determined by the Doppler effect is

Q: An object is dropped from a very tall bridge.  If it takes 18.74 s to reach the ground below, how…

A: Apply the kinematics formula S=ut+(1/2)at2 Given: Time taken by object to reach the ground, t= 18.74…

Q: The speed of sound is 1100 ft/sec at sea level.   a. Express the speed of sound in mi/hr.  b.…

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Q: Select all the examples that are scalar quantities. speed | acceleration | force displacement mass |…

A: Given :- different types of quantities. we have to find scalar quantity from them .

Q: 10 km/h at 30 degrees + 15 km/h 270 degrees The first picture is the steps. The second picture is…

A: Analyze the following diagram of the given vectors. The components of the vector A in the X and Y…

Q: begrinning of lass following table: Due : Tuesday at the Fill out the Name of the | quantity Symbol…

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