What is the momentum of a 10Kg object that slides at 12m/s across an icy lake

Q: Polystrenes # of Scans Resolution wavelength cm Uncertainty in intensity 0.482 3.857 16 1 2 16 8 3 1...

A: Uncertanity =  (max - min) / 2                     = (7.714 - 0.482) / 2 Uncertanity = 3.616 /cm

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Q: A person who happened to be walking barefoot on wet ground near an electrical transmission tower dur...

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Q: The equivalent of 270 degrees in centesimal system is a. 300 rad b. 300 grads c. 300 mils

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Q: -21 metric platinum bars in the center of the scales, precisely calibrated at 270°C. Find the distan...

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Q: F1 = 300 N F2 = 450 N F3= 600 N 45°

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Q: 1- If the Celsius thermometer reads 35°C, what is the Fahrenheit thermometer reading in the same roo...

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Q: At time T, what is true of the distances traveled by the vehicles since time t= 0? O A. The truck wi...

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Q: Calculate the work needed for a bird of mass 120 g go to fly a height of 50 m from the surface of th...

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Q: Caleulate the of a eneryy 2Kg mas8 body movingwitha velocity of 0.1 metne's

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Q: Determine the electrical force of attraction between two balloons with separate charges of +4.5 x 10...

A: 1st Balloon charge ( Q1 ) = +4.5 x 10-8 C 2st Balloon charge ( Q2 ) = -1.9 x 10-8 C Distance between...

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Q: Why do you think if there was drag force (air resistance), the total time would change; what does dr...

A:  Drag force:- In fluid dynamics, drag sometimes called resistance is a force which tends to slow the...

Q: A bedroom bureau with a mass of 42 kg, including drawers and clothing, rests on the floor. (a) If th...

A: Solution :-  

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Q: A circular curve of highway is designed for traffic moving at 75 km/h. Assume the traffic consists o...

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Q: The position of a particle along a coordinate axis at time t (in seconds) is given by s(t)=3t^2−t (i...

A: Given that :- s(t) =3.t2 -t  m

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Q: Chapter 30 - Supplementary Questions Quiz style questions Reading Quiz Question The human body condu...

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Q: An elevator suspended by a vertical cable is moving downward but slowing down. The magnitude of tens...

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Q: QUESTION 17 Shown below are the velocity and acceleration vectors for an object in several different...

A: Acceleration is the rate of change of velocity.

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Q: A person pushes horizontally with a force of 170. N on a 52.0 kg crate to move it across a level flo...

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Q: ballet dancer does a pirouette on the tip of his toe. If the dancer has a weight of 580 N and the ti...

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Q: What is a watt, W? joule/sec, J/s O newton/sec, N/s O amp/sec, A/s O coulomb/sec, C/s

A: Power :- The rate of work done W is defined as the power P. Mathematically it is written as         ...

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Q: A wooden skewer and a piece of wire have the same dimensions: a length of 0.20 m and a cross-section...

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Q: 11. Complete the table below by identifying the effects on resistance and effects on current flow of...

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Q: How would you draw the electric field lines given the test charges below: t0sonco ar to emc 1 algion...

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Q: 1- If the Celsius thermometer reads 35°C, what is the Fahrenheit thermometer reading in the same roo...

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Q: A flash unit for a camera has a capacitance of 1300 µF. What resistance is needed in this RC circuit...

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Q: 4. A racing car has a uniform acceleration of 4 m/s2. What distance will it cover in 10 seconds afte...

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Q: QUESTION 14 A 20-ton truck collides with a 1500-1b car. Which of the following statements must be tr...

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A: Following are part of Electromagnetic waves spectrum  gamma rays X-rays ultraviolet radiation visibl...

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A: The electriacl circuit apply series and parallel rule now apply the KVL rule.