2. A 35 kg child is riding on a swing. At her highest point she is 1.8 m above the ground, at her lowest point she is 0.5 meter above the ground. Find her maximum speed in m/s

Q: 17. A system of weight 7 Kg is heated from its initial temperature of 10ºC to its final temperature…

A: The heat obtained by a system of mass m and having a specific heat CV to raise the temperature by ∆T…

Q: Find the y-component a force, 120N, acting 45 degrees to the right of the negative y-axis.

A: Given data:  Force (F) = 120 N Angle (θ) = 45° to the right the negative y-axis Required: The…

Q: 2. A person decides to swim across a river 84 m wide that has a current moving with a velocity of…

A: According to guideline I solve only first 3 subparts of question 2.

Q: the magnetic field is 1.0 x 105 T. 3. Two parallel wire carrying current of 20.0 A are separated by…

A:

Q: 4. A cannon is pointed upward at an angleof 30 degrees with respect to the horizontal ground. If the…

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Q: The coefficient of sliding friction between a 50.0 kg ice and the pavement is 0.06. What force is…

A: mass of ice(m)=50 kg coefficient of sliding friction(μ)=0.06 force needed to move ice at constant…

Q: ACTIVITY 3: PROBLEM SOLVING Directions: Solve the following problems. Express your final answers in…

A: #3 Given data: The horizontal component of velocity is vH=25 m/s. The time taken in the journey is…

Q: 2. Find kinetic energy of dart leaving gun: 11.4891 m/s 2 DnoI 1 ond anlit

A: To calculate the kinetic energy we use,                           Potential energy= Kinetic…

Q: 14. It is produced by a turning force and tends to produce rotational acceleration. a) Horsepower b)…

A: Torque: It is the measure of the force which can cause an object to rotate about it's axis. Angular…

Q: 7. Comparing the two cases below with different axis of rotation, we can say that m -R- 2R = 2MR2 =…

A:

Q: answer number 3

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Q: Find the angle between A = 10a + 2a, and B 4a, + 0.5a¸ , using dot product. y y 3 Answer:

A:

Q: If each wire in #4 is connected to an identical battery, what is the relationship of the electric…

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Q: 3) Is there any kind of material that when inserted between parallel plate capacitors would reduce…

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Q: 3. If a car is traveling at 20 meters per second in a straight line, how many meters will it take…

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Q: 3. A basketball player is standing 9.5 m from the basket, which is at a height of 3.1 m. She throws…

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Q: 5. A bicycle wheel of radius 0.30 m is spinning at a rate of 60 revolutions per minute. (a) What is…

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Q: An angle of a circle with a 2 m radius is A0 = 20°. What is the corresponding arc length As? 11. D.…

A: 11. radius of circle,r=2 m∆θ=20

Q: Answer number 3

A:

Q: 1.A motorboat was moving E 20° S] at 50.0 km/h. The operator then turned the boat E 20° N] and…

A: 50kmph E 20° S  30kmph E 20° N  East and West as X axis  North and South as Y axis  T= 5min

Q: 18. The ammeter shown in Figure P28.18 reads 2.00 A. Find I, 12, and Ɛ. 7.00 N 15.0 V 5.00 N A 41…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. A solid sphere of radius R-40 cm has a total positive charge of 26 µC uniformly distributed…

A: Given: radius R =40 cm =0.4 mcharge q = 26μC = 26*10-6 C

Q: (5) A 15.0A current produces a B field at the center of an arc of angle n/4 radians and radius…

A: (5) Given Current (I) = 15.0 A Radius (r)  = 0.500 m Angle θ  = π4 radians

Q: The figure shows a rod of length L = 8.84 cm that is forced to move at constant speed v = 4.19 m/s…

A: We have to find the rate at which the force works on the rod. So this means that we have to find the…

Q: 4. Briefly discuss how near sightedness is corrected using a lens. Support your discussion by…

A: To find out: How nearsightedness is corrected using a lens. If a person can see the nearer object…

Q: Stooge problem hints Summary of info: m= 15 g; k=22 N/cm; x=3 cm; Ay=-1.4 m; 0=-19° 1. Calculate…

A: Given, m=15 gk=22 N/cmθ=190

Q: 5. If an electrically neutral object is induced and acquire 10 positive charge. How many electrons…

A: 5. Given that, An electrically neutral object is induced and acquires 10 positive charges.  We need…

Q: ACTIVITY 2: VECTOR SOLVING Directions: Using the component method, solve the following problems.…

A:

Q: 13-5. The reason that massive neutrinos were considered as a candidate for solving the miss- ing…

A: 5) The density of photons and neutrinos is 500 photons/cm3. It is required to find the individual…

Q: 5. A certain brand of house paint claims coverage of 460ft^2/gal. what of the is the original…

A: Inverse of the original quantity is 2.17391 × 10-3 gal/ft2 Thickness is the ratio of volume per area…

Q: Case 1 Case 2 Case 3 Figure P2.15 Problems 15 and 16. 16. * The position-time graphs in Figure P2.15…

A: 16. The first position time graph represents the situation of a car initially at rest starts moving…

Q: 18. The color orange within the visible light spectrum has a wavelength of about 620 nanometers or…

A: Given, Wavelength, λ=620 nm=620×10-9 m Speed of light, c=3×108 m/s

Q: 9. Suppose that a runner on a straight track covers a distance of 1 mile in exactly 4 mins. What was…

A: Given: Distance covered: s=1 [mile] Time taken to cover that distance: t=4 [mins] The average…

Q: 4. Suppose the velocity(v) of a car at any time(t) is given by the equation 60m/s + (0.5m/ Derive…

A: The instantaneous acceleration (a) of a body is defined as the rate of change of its velocity.…

Q: Answer the following questions. Write your solutions on an extra sheet, to be attached to the answer…

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Q: 2. A small metal ball, 2.50 kg, hangs at the end of a 3.00 m cord. The metal ball is pulled until…

A: 2) PE = mgh = mgL(1-Cos45°)  PE = 2.5×9.8×(1-Cos45°)  PE = 7.17 J

Q: A ladder 7.50 m long is leaning against a smooth (frictionless) wall at a point 7.0 m above the…

A: in  this question we discuss about the equilibrium of force at one  point .

Q: 8. Consider a wave function of the form Mx) = Ae H Calculate the wave function in momentum space…

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Q: 1. A man is sitting on a train with a constant velocity of 10 m/s East. The man then stands up and…

A: Due the direction of motion the velocity will change as direction  changes

Q: 4. A 1.5 kg object is on a ramp as shown. The object accelerates down the ramp at 3.0 m/s². What is…

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Q: 1. If the relative density of gasoline is 0.70, determine the pressure in the gasoline storage tank…

A: Its a concept of density

Q: 20. A point charge of -1.0×10°C and a charge of + 3.0x10°C separated by 5.0x10² m what is the…

A: 20. Given data: Magnitude of charge 1 is, q1=-1.0×10-9 C. Magnitude of charge 2 is, q2=+3.0×10-9 C.…