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# Physics Assignment Help

## Specific Heat and Latent Heat Part A)You have 67 grams

Question Specific Heat and Latent Heat Part A)You have 67 grams of a unknown material, and you would like to find out its specific heat. You decide to heat it up to 100 C and put it in a 66 g aluminum cup (specific heat = 0.22 cal/(g C) that 200 grams of water (specific …

## Use simulation site: https://phet.colorado.edu/en/simulation/legacy/collision-lab Q.1.a___ Using mass and velocity of the ball, calculate momenta , its momenta just before

Question Use simulation site: https://phet.colorado.edu/en/simulation/legacy/collision-lab Q.1.a___ Using mass and velocity of the ball, calculate momenta , its momenta just before and after its collision with the right wall, respectively.Q.1.b___ Calculate , the change in momentum the ball undergoes during the above collision. What causes this change in momentum?Q.1.c___ Calculate , the the Impulse exerted on …

## A) A parallel -plate capacitor of capacitance C with distance d between

Question A) A parallel -plate capacitor of capacitance C with distance d between plates is fully charged from a battery of voltage V and got disconnected. The plates of capacitor are slowly pulled apart to twice the initial distance (2d). Electric field in capacitor after pulling the plates to distance 2d:Group of answer choicesDecreased four …

## A force F = 15xi – 5yj, where F is in Newtons and x and y are in meters. Physics Assignment Help

Question A force F = 15xi – 5yj, where F is in Newtons and x and y are in meters. a. Find the work done if r = -2xi – 10yj 5 pts b. Determine the angle formed by F and r (from letter a). Please show the complete solution so I may be able …

## 1. 57.0 kg diver dives from a height of 15.0 m. She reaches a speed

Question 1. 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. What was the average force of air resistance (e.g., friction) acting on the diver? 2. What is the force of friction underwater if she reaches a depth of 2.5 m before …

## 1A string wave is given by y(x,t)=ymsin(kx-wk) .Which of the following

Question 1A string wave is given by y(x,t)=ymsin(kx-wk) .Which of the following describes the wave and the string particles?Select one:a.The wave travels along both the x – and y -axes; the particles move parallel to the z-axis.b.The wave travels along the x-axis; the particles move parallel to the y-axis.c.More information is needed.d.The wave travels along …

## A cable used to lift heavy materials like steel I-beams must be strong

Question A cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 2.3 106 N. For safety, the cable must support twice that load.(a) What cross-sectional area should the cable have if it’s to be made of steel? m2(b) By how much will a …

## 1)A total charge of -6.5 microCoulomb is evenly distributed in a conductive

Question 1)A total charge of -6.5 microCoulomb is evenly distributed in a conductive sphere with a radius of 0.150 m. Determine the intensity of the electric field at a point located 0.30 m from the surface of the sphere.a.649,000 N / Cb.1,300,000 N / Cc.289,000 N / Cd.938,000 N / Ce.469,000 N / C2)Two point …

## Topic 7: Cardiac Action PotentialsDefine and describe the differences in the locations and functions of cardiac autorhythmic and contractile

Question Topic 7: Cardiac Action Potentials Define and describe the differences in the locations and functions of cardiac autorhythmic and contractile cells. In detail (and in your own words)draw and describe the action potentials of these two cell types, making sure to include•Voltages at which important events occur o Resting membrane potential o Threshold potential …

## . In Dan Buettner’s THRIVE, he identifies Thrive Centers, six life Physics Assignment Help

Question Get Answer . In Dan Buettner’s THRIVE, he identifies Thrive Centers, six life domains that we and individuals can shape to boost our chances for happiness in the long term. These six domains include:1. Community – The nation, state, county, city or suburb in which you live. 2. Workplace – Your job site, or …