Albert and Belle are part of a scientific team studying thunderclouds. The team is about to launch a weather balloon into an active part of a cloud. Albert’s rope is 7.8 m long and makes an angle of 36 degrees with the ground. Belle’s rope is 5.9 m long. Draw a sketch and determine the angle that Belle makes with the ground.

Q: The 3.0-kN force F is applied at point A. (a) Compute the moment of F about point O, expressing it…

A:

Q: In a series circuit containing two lamps, the battery supplies a potential difference of 1.5 volts.…

A: rate of use of energy means power required for blowing bulb. therefore, Power =WorkTime=V·I

Q: Research the electrical symbol of the following electrical materials. 1. Wire 2. Battery/Dry cell 3.…

A: GIVEN quantities  wire  Battery  light blub

Q: The cart moved a distance of 165 cm. How many meters did the cart move? (1 meter 100 centimeters) m

A: Introduction : In this question we are provided with value of distance in cm . With help of…

Q: The eye focuses by Moving the lens                         3. moving both lens and retina Moving the…

A: Eye is focused by changing the focal length  of the eye lens .      Hence , 4th  option is correct .

Q: (b) The coefficient of static friction between Teflon and scram- bled eggs is about 0.04. What is…

A: Give  The coefficient of static friction between Teflon and scrambled eggs is about 0.04.

Q: 8. A household water heater has a resistance of 30 Ohm. The operating voltage is 220 V. Find the…

A: Ohm's law states that V=iR Where, V = voltage i = current R= resistance

Q: A disk of radius 0.1 m is oriented with its normal unit vector n at 30° to a uniform electric field…

A:

Q: Find the wavelength of a second wave that has a frequency of 210 Hz and a wave speed of 14000 m/s.

A: Given data:  Frequency (f) = 210 Hz Wave speed (v) = 14000 m/s Required: The wavelength (λ)

Q: The X ray beam contains a greater proportion of higher energy X rays the further material it…

A: The basic components of the X-ray tube include a cathode, anode, rotor, envelope, tube port, cable…

Q: In a cheerleading competition, the 65.0 kg cheerleader is tossed vertically upward with a speed of…

A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…

Q: A bullet of 0.025kg is when fired from momentum of 50 kg m/s. a piston gete Find the velocity of…

A: Given data :              Mass of the bullet (m) = 0.025kg              Momentum (P) = 50 kg.m/s

Q: Assuming that there are no charges in the four regions shown in the figure, which of the patterns…

A: Electric field lines moves from positive charge to negative charge. Electric field lines never…

Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

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Q: A block with a mass of m=21 kg rests on a frictionless surface and is subject to two forces acting…

A:

Q: The resistivity of a wire depends on Select all that apply. O the wire's cross-section area the…

A: Introduction :- Here we have to talk about the dependence of resistivity of a wire on the parameters…

Q: Find the electrical energy consumed in Joules if a toaster of 40 W is used 1200 seconds ?

A:

Q: An apple is whirled round in horizontal circke on the end of a string which is tied to the stalk .…

A: A centripetal force must operate on a body rotating in a circle (or circular arc), which acts…

Q: Problem 3: A combination of two identical lenses shown in the figure below. A 2.0-cm-tall object is…

A: a) Apply the lens equation and substitute the required values to determine the position of the image…

Q: The cart moved a distance of 165 cm. How many meters did the cart move? (1 meter m 100 centimeters)

A: Given: The distance moved by cart, d=165 cm   To convert the above distance into meters.

Q: 7. Two point charges attract each other with an electric force of magnitude F. If one charge is…

A: Coulombs laws : It states that " the force of attraction or repulsion between two charged bodies is…

Q: What will be the potential energy of 1kg mass kept at height of 5 m. Take g = 10 m/s²

A: Write the given values with the suitable variables. m=1 kgh=5 mg=10 m/s2 Here, m is the mass, h is…

Q: A car of weight 140 kg. To what height should it be raised so that potential energy is 4220 J? Take…

A: Introduction : In this question we are provided with value of potential energy , mass and…

Q: 3. Complete the table on the Summary of Images Formed by Convex Mirror Object Distance Image…

A:

Q: Consider a piece of wire bent into a circle of radius 10cm. The circle is laying flat on a table and…

A:

Q: Research the electrical symbol of the following electrical materials. 4. Switch (open) 5. Switch…

A: To draw : The electrical symbol for : Switch (open) Switch (closed) Ammeter Voltmeter Galvanometer…

Q: Activity 4: Schematic Analyzing A combination circuit is shown in the diagram below. Use the diagram…

A:

Q: 14) Which of the scenarios best illustrate an angle of depression? O O O 1 poin A. A hot air balloon…

A: Please find the answer below

Q: A 10,000 kg airplane must reach a velocity of 60 m/s to take off. If the ho rizontal force exerted…

A: Given data:velocity of the aeroplane v=60 m/sMass of the aeroplane m=10000 kgForce exerted in…

Q: 8. Determine the displacement based on the v-t graph (m/s) 10 -r(s) 40 80 The displacement based on…

A:

Q: A load of bricks with mass m1m1m_1 = 15.2 kgkg hangs from one end of a rope that passes over a…

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Q: Problem 4.32 The figure shows a block (mass mA) on a smooth horizontal surface, connected by a thin…

A:

Q: < You push against the floor when you walk and the floor pushes back on you. An object will not…

A: An object will not accelerate unless a net force is applied to it ------&gt; it is the direct…

Q: If 29.89 in Hg is a barometric pressure then convert the f

A: Given:Barometric pressure is 29.89 in Hg

Q: Billiard ball A of mass 1.80 kg is given a velocity 6.00 m/s in +x direction as shown in the figure.…

A: Solution:-

Q: A fan blows the air and gives it kinetic energy. An hour after the fan has been turned off, what has…

A:

Q: (flywheel rotated about its center), The tangential acceleration at of point A is calculated to be…

A: Angular acceleration = 3 rad/s2r = 800 mm distance of point A from center = 500 mm = 0.5 angular…

Q: b A marksman aimed his rifle at the bull's eye of a target 50m away. If the bullet's speed is 350…

A: b) Apply the second kinematic equation in the horizontal motion. Since the velocity along the…

Q: 18) It refers to a line from an observer's perspective or eye to a distant point. OA. Angle of…

A: There are two objective type question and we have to chose correct option.

Q: s to slow down, reaching a complete stop after slowing down for 1.52 s. What was the sled s average…

A: GivenInitial speed of rocket-powered sled  toward west, u=256 m/sRocket-powered sled slowing down…

Q: Compute the displacement Force 12.211 N Work done=22 J

A: Given data : Force=F Work done=W   Required : Displacement

Q: A car is moving on a straight road 8 m/s. It is acceleration at 22 m/s². What will be it's velocity…

A: Given data :                     Acceleration     =     a                    Initial velocity    =…

Q: 21) What is the height of the building to the nearest thousandths? O A. 200 m OC. 0.003 m O D.…

A:

Q: What prevents gravity from pulling you through the ground to the center of Earth? Choose the best…

A: Its a concept of gravity and below is the answer.

Q: A magnet of mass 6.41 kg is suspended from the ceiling by a cord as shown. A large magnet is…

A:

Q: A 1100-kg elevator is rising and its speed is increasing at 3.0 m/s2. The tension in the elevator…

A: Draw the free-body diagram of the system.

Q: What is the relationship between the radiation intensity and the distance of the source?

A: Intensity obeys inverse square law ie intensity of radiation varies inversely with the square of…

Q: 49. A 200 g, 20-cm-diameter plastic disk is spun on an axle through its center by an electric motor.…

A: Determine the moment of inertia of the disk.

Q: The force of gravity is 6 times greater on the earth than it is on the moon. What is the weight of a…

A: Write the expression for the weight. Here, m represents the mass and g represents the acceleration…

Q: 14. A log of wood floats vertically half-submerged when placed in water. If I drop it from a height…

A:

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.