if you point the pinhole camera of Exercise 1 at the Sun, a clear and bright solar image will be seen on the viewing screen. How does this relate to the circular spots of light that surround Lillian beneath the sunlit tree shown in the photo?

Q: The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in Fi...

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Q: A roller coaster at the Six FlagsGreat America amusement parkin Gurnee, Illinois, incorporatessome c...

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Q: Could you help with 2 and 3?

A: According to company policy, only 1st question will be answered here. Please post the rest separatel...

Q: Two point charges Q1  = +5.00 nC and Q2 = −3.00 nC are separated by 35.0 cm. (a) What is the electri...

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Q: Dust particles of diameter 0.06 mm and density 1.6 g/cm3 are unsettled during high winds and rise to...

A: The density of dust,

Q: Show that the speed of the electron in the n th Bohr orbit in hydrogen is given by

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Q: At what distance (in mm) from a long, straight wire carrying a current of 22 A will the magnitude of...

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Q: who is older or younger?

A: It is given that,

Q: If the temperature of wire in sonometer is increased when happens to the frequency of sound heard?

A: Given:  Temperature increased

Q: A shape that covers an area A and has a uniform height h has a volume V= Ah. (a) Show that V =Ah is ...

A: Given:  V = volume A = area  h = height 

Q: A powerful induction cannon can be made by placing a metal cylinder inside a solenoid coil. The cyli...

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Q: If light were passed through a round hole instead of a thin slit in a spectroscope, how would the sp...

A: A spectroscope is a device used in measuring wavelength and energy of the light wave. This is done b...

Q: The drag coefficient of a car at the design conditions of 1 atm, 25°C, and 90 km/h is to be determin...

A: The expression for the frontal area of the car,

Q: Recall, from this chapter, that the factor gamma (γ) governs both time dilation and length contracti...

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Q: Describe how noise-canceling headphones differ from standard headphones used to block outside sounds...

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Q: Consider a heart defibrillator as shown.Construct a problem in which you examine the charge stored i...

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Q: A shell-and-tube heat exchanger is used for heating 10 kg/s of oil (cp = 2.0 kJ/kg·K) from 25°C to 4...

A:

Q: Recall, from this chapter, that the factor gamma (γ) governs both time dilation and length contracti...

A: The original time,

Q: An airplane maintains a speed of 630 km/h relative to the air it is flying through, as it makes a tr...

A: a. Let positive x axis be eastward and the positive y axis be northward. The displacement of the pla...

Q: What are some examples of high and low friction?

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Q: If, while standing on a bank, you wish to spear a fish beneath the water surface in front of you, sh...

A: If, while standing on a bank, you wish to spear a fish beneath the water surface in front of you, th...

Q: Using conservation of energy, derive a formula for the speed of an object that has a mass M, is on a...

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Q: A sample of a particular radioisotope is placed near a Geiger counter, which is observed to register...

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Q: A block weighing 200 N is pushed along a surface. If it takes 80 N to get the block moving and 40 N ...

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Q: A golfer tees off from the top of a rise, giving the golf ball an initial velocity of 43.0 m/s at an...

A: a. the maximum height reached by the golf ball is  

Q: The dam is 500 m wide, and the water is 80.0 m deep at the dam. (a) What is the average pressure on ...

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Q: The other day, while riding my bike, I was forced to stop quickly to avoid a squirrel in the middle ...

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Q: spring movement is given by equarion m dex de Find the t if ir Starts from -he mass Posirion at time...

A: Write the given equation of the spring movement, plug the required values, and solve.

Q: Q2: A spring of natural length 10 inches stretches 1.5 inches under a weight of 8 pounds. Find the w...

A: Convert the length from in to m. The natural length of the spring. The stretched length of the spri...

Q: A 1090 kg automobile is pulled by a horizontal tow line with a net force of 829N. What is the accele...

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Q: Use the Doppler equation for a moving source to calculate the observed frequency for a 250.-Hz sourc...

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Q: If Planck’s constant, h, were larger, would atoms be larger also? Defend your answer.

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Q: A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the cro...

A: The given values are,

Q: Gas in a container is at a pressure of 1.5 atm and a volume of 4.0 m3. What is the work done on the ...

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Q: (a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible an...

A: Given information: Here, vi is the car’s initial speed, m is car’s mass, hf is the height reached b...

Q: A rectangle has a length of (2.7+_0.1) m and a width of (1.6+_0.2) m. Calculate the area and the per...

A: Given,  

Q: carbon dating

A: The given values are,

Q: Is it possible that no transfer of energy takes place even when a force is applied to a body?

A: Given: force 

Q: A 4.2-g bullet leaves the muzzle of a rifle with a speed of 326 m/s. What force (assumed constant) i...

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Q: Find the torque exerted on a small magnetic dipole with a magnetic moment of 1.9 ✕ 10−4 A · m2 along...

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Q: A particle moves along the x axis. Its position is given by the equation x = 2.2 + 2.9t − 3.5t2 with...

A: It is given that,

Q: How would the force of gravity between two masses be affected if the separation distance between the...

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Q: (a) What is the efficiency of an out-of-condition professor who does 2.10×105 J of useful work while...

A: The efficiency can be obtained as

Q: Select all of the mechanisms of heat transfer that contribute to the fact that heat is extracted fro...

A: The mechanism that contributes more to heat transfer rate from a body, when the body is submerged in...

Q: momentum

A:

Q: The RLC series circuit having a 40.0 Ω resistor, a 3.00 mH inductor, a 5.00 μF capacitor, and a volt...

A: