In what direction relative to the velocity of an object must a force be applied in order to cause the object to move uniformly in a circle? Explain using Newton’s Laws of Motion.

Q: Please use conservation of energy (kinetic and gravitational potential energy) to solve this problem...

A: The mass of the block is m=1.5 kg The coefficient of kinetic friction is μk=0.3 The total length of ...

Q: Problem 5: A4500-kg spaceship is in a circular orbit 220 km above the surface of Earth. It needs to ...

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Q: 4. The figure shows a spring before and after being compressed. a. Calculate the force constant of t...

A: (a) Calculate the length of compression of the spring. x=Lf-Li=10 cm-6 cm=4 cm Here, x is the compre...

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Q: A transformer has an efficiency of 80%. It works at 4 kW and 100 V. If the secondary voltage is 240 ...

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Q: 3. A heart attack often leads to a condition called fibrillation in which the heart's action lose th...

A: (a) Energy released is given by energy stored in capacitor.  (b) Charge passes through is given by c...

Q: Q10. A spring exerts a force as shown on the graph below. How much work is done as the spring stretc...

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Q: What is the y component of the vector illustrated below?

A: To determine y component of the vector illustrated below.

Q: Calculate the speed of sound in air when the temperature is 16°C. m/s v = 332 m/s + | 0.59 °C

A: Given: v=332 + 0.59 there t is temperature in °C   we have to calculate speed of sound at t=16o C

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a un...

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Q: 2. The equivalent capacitance of two capacitors in series is 0.03 uF and when connected in parallel,...

A: Given: let two capacitors areC1 and C2thanCseries =0.03 μFandCparallel =0.16 μF

Q: Direction: Solve the problem and write your answers on the box An electric dipole consists of points...

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Q: What's More Let's Work it Out Direction: Using the Physics concepts, determine if Work is done in th...

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Q: the wheel of for fortune is divided into twelve angular sections, each of which is 30 degrees. deter...

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Q: 1. The result of capacitance C1= 6 microfarads and C2 connected in a series is 3 microfarads. Capaci...

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Q: What's More Let's Work it Out Direction: Using the Physics concepts, determine if Work is done in th...

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Q: Consider

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Q: The San Francisco's Golden Gate Bridge is exposed to temperatures ranging from - 15 °C to 40 °C that...

A: Write the given data. ∆t=40--15=55 °Cα=11×10-6 /°C∆L=0.84 m  

Q: Two charges of +25 μC and +16 μC are 90 mm apart. A third charge of -60 μC is placed on a line joini...

A: given: q1=+25μC = +25*10-6 Cq2=+16μC = +16*10-6 Cq3=-60μC = -60*10-6 Cr12 = 90mm = 90*10-3 mr13 = 30...

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Q: 1.) Two spheres of equal mass and equal charge are separated at a distance r. (a) Derive an expressi...

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Q: A mass of 1.5 kg moves in a circle of radius 25 cm at a constant 2 rev/s. Calculate (a.) The tangen...

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Q: A block of mass m = 4.4 kg, moving on a frictionless surface with a speed v = 9.2 m/s makes a perfec...

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Q: proton moves across a magnetic field in a circular path of radius 20 cm. If the flux density of the ...

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Q: Consider the system of particles that are connected by rigid rods of negligible mass. If the system ...

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Q: A weight hangs from a ring at the middle of a rope, as the drawing illustrates. Can the person who i...

A: Rope can never be make perfectly horizontal because if rope is perfectly horizontal then no componen...

Q: Consider a thin, spherical shell of radius 12.0 cm with a surface charge density of 0.150 mC/m2 dist...

A: according to  Gauss's law  ∮E·ds =Q∈0 where E is electric field  ds small area for gaussian surface ...

Q: B) How much taller does the Eiffel Tower become at the end of a day when the temperature has increas...

A: We need to find how much taller Eiffel tower become at the end of the day i.e we need to find change...

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Q: A bullet of mass 10 g moving with speed of 210 m/s in stopped suddenly. If all its kinetic energy is...

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Q: How will a light ray reflect if it heads directly at the focal point? A. The light ray will bounce o...

A: Correct option is (b) i e The light ray will reflect parallel to the principal axis.

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A: Since total magnetic field is zero hence two equal and opposite magnetic field must acts at the poin...

Q: A child pulls a shed upon snow covered hill. The child dose 480 J of work on the shed . If child wal...

A: Given  Work done by child ,W = 480 J  Displacement of child ,d = 16 m  Work done is calculated by us...

Q: Four vectors have the following x-components: -99, 104,56.-33. What is the x-component of the result...

A: x-components of four vectors: -99, 104, 56, -33 To find: x-component of resultant vector X=?

Q: 350V or A parallel - plale capocitor is held at a potetial dofference of 350, A proton is fired towa...

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Q: A kid with a mass of 35kg is jumping on the bed .if the bed can be thought of as spring with a sprin...

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Q: A long current-carrying wire, oriented North-South, lies on a table (it is connected to batteries wh...

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Q: Describe another way a runner could have a displacement of 20 m north.

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Q: An infinite wire carries an electric current I=2 A and is immersed in a magnetic field B=1 T j^, as ...

A: As given, An electric current, I=2 A A magnetic field. B=1 T j^ The angle, θ=101° Radius of the circ...

Q: A certain corner of a room is selected as the origin of a rectangular coordinate system. If a fly is...

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Q: Question 1. Three charges are arranged as shown in Figure 1. Find the magnitude and direction of the...

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Q: 1. A point charge q, is held stationary at the origin. A second charge q, is placed at point a, and ...

A: Conservative force  The force by which work done does not depends upon path is called conservative f...

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Q: 02

A: The expression for refractive index using snell's law (n₁sinθ₁ = n₂sinθ) Rearrange the expression in...

Q: Example 27.3 The Resistance of Nichrome Wire LA Calculate the resistance per unit length of a thin 2...

A: Given, radius of the wire, r = 0.330 mm

Q: - The density of ice is 900 kg-m3. What fraction of the volume of a piece of ice will be above water...

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Q: A conductor of uniform radius 1.20 cm carries a current of 2.60 A produced by an electric field 116 ...

A: we know current density J =I/A where I is amount of current flowing =2.60 A A = area of cross sectio...

Q: A wave is modeled by the wave function: y (x, t) = A sin [ 2π/0.1 m (x - 12 m/s*t)] 1. Find the wa...

A: By policy, I will be answering only Question Number 1, remaining you can post separately. The 1st qu...

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!