Researchers from NASA performed an experiment that will carry a land rover of 900 kg on MARS at a velocity of 90 m/s using a parachute with a diameter of 100 m. How big is the diameter of the parachute to be used for the model? Let the mass density of air on MARS be 0.2 kg/cu.m. The mass density of air on EARTH is 1.225 kg/cu.m.

Q: You have two identical 10 kg bricks. Where would you place one brick on the beam so that the beam…

A: Given Mass of each brick = m = 10 kg One brick placed at 1 m to the right of the pivot. We have to…

Q: Q9 The system in the figure is in equilibrium. A concrete block of mass 287 kg hangs from the end of…

A: GIVEN: mass of the concrete block M = 287kg mass of strut m= 33.6kg

Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

A: In the given question, Initial height of the ball (h) = 2.15m Time required by the ball to hit the…

Q: You kick a soccer ball so rolls along the ground at 15 m/s. It goes up a ramp that is angled at 60°…

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Q: In the figure shown below, the 4 forces are being supported by an eyebolt. Determine the force F2…

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Q: The angular position of a point on a rotating wheel is given by 0 = 8.79 +1.71t² + 1.26t³, where 0…

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Q: Figure shows a four-capacitor arrangement that is connected to a larger circuit at points A and B.…

A: Determine the voltage on C1. Since the capacitors C1 and C2 are connected in parallel, the voltage…

Q: A 8.10 kg uniform disk with a radius of 14.3 cm is wrapped with a massless string and is suspending…

A: Draw the schematic diagram of the system.

Q: Show a picture of how electrical energy improves the lives of the people. It can be a collage.

A: It is required to discuss how electrical energy improves the lives of people.

Q: You are moving into a new place, and you rented a U-Haul cargo furniture and different boxes. Moving…

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Q: The direction of the vector A = 4 i +4j is O 0° O 45° O 90° none of these

A: Given data: The vector, A→=4i+4j              (1)

Q: If the momentum of a flying brick is 15.06 kg x m/s and it's mass is 4.022 kg. Find its velocity_?

A: Introduction :  In this question we are provided with value of momentum and mass.  with these data…

Q: Point A has an electric potential of 33 V and point B has an electric potential of 173 V.  An…

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Q: A machine does 185 J of work in 20 seconds. Find the power of the machine?

A: Introduction :  In this question we are provided with value of time and work . with these data we…

Q: If the moment of inertia of a disk is 0.270 kg*m^2, what is the smallest amount of torque needed to…

A:

Q: Calculate the value of force applied if work done is 145 J and displacement is 4.3 m.

A: Given data :               Workdone (W) = 145 J               Displacement (d) = 4.3 m

Q: The diagram below shows a lever in use. A F L = 15 kgf (a) To which class of lever does it belong?…

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Q: In the figure here, a ball is thrown up onto a roof, landing 4.70 s later at height h = 22.0 m above…

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Q: A man is standing at a distance of 12m from a cliff. Will he be able to hear a clear echo of his…

A: The distance of a man from the cliff is given as d=12 m

Q: Answers: Fx= Fy= Fn = Ft= i i i 67° 47° B F = 850 lb lb lb lb lb

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Q: You push on a rectangular door at the location of the knob (see diagram for top view). The door s…

A: Solution:-

Q: Calculate the gravitational potential energy of a light that a mass of 4.07 kg and is 5.02 m above…

A: Given data :                 Acceleration due to gravity      =     g                           Mass…

Q: A light ray travels across the interface between two transparent materials as shown below. Note that…

A: When the light ray is not refracted, the incidence angle and the refracted angle will be the same.

Q: Question 10 of 15 An object is placed to the left of the spherical mirror shown below. The location…

A: in this question  we use ray diagram for getting  answer.

Q: Two balloons have equal, but opposite sign charges.  Balloon A has N = 1 million excess electrons.…

A: Number of electrons on A and B, N = 1 million = 106   Distance, d = 1.6 m

Q: Calculate the work done when a force of 15 N moves a body by 5 m in its direction.

A: Introduction :  In this question we are provided with value of  force and displacement . with these…

Q: A coil consists of 120. circular loops of wire of radius 4.80 cm. A current of 0.490 A runs through…

A:

Q: A fluid system has two sensors, a pressure sensor and a flow sensor. The pressure sensor has two…

A: The given problem has 6 subparts. As per the Bartleby policy, we will answer the first three. Kindly…

Q: In the figure shown below, the 4 forces are being supported by an eyebolt. Determine the force F2…

A: F1 = 2 kNF2 = 1.2 kN F3 = 1.8 kN R = 3 kN α = 30oβ = 30o

Q: Calculate the required power to pump 972 kg of water up to the tank at the height of 22 from the…

A: Given in question -  Mass of the water (m) = 972 Kg                                   Height of tank…

Q: Same situation as before. This time it s a block of mass 1.41 kg sliding with a constant velocity of…

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Q: A body with mass 5 kg is connected to a spring with K=467 N/m. The system goes into a fluid, which…

A: Given  A body with mass 5 kg is connected to a spring with K=467 N/m. The system goes into a fluid,…

Q: If the resistance of the bulb filament at room temperature (20 °C ) is 1.1 Ω, what is the resistance…

A: Write the expression for the final resistance. Here, Ro is the resistance at temperature T1, Rt is…

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 103.4 °F at 12:05 P.M. If the temperature…

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Q: simple pendulum is suspended from the ceiling by means of a string of length  2.00 m. Now you start…

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Q: In the figure, block 1 has mass m₁ = 470 g, block 2 has mass m₂ = 570 g, and the pulley is on a…

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Q: What is the angular momentum of a 0.210 kg ball rotating on the end of a thin string in a circle of…

A: In the given question, Mass of the ball (m) = 0.21kg Radius of the circular path (r) = 1.3m Angular…

Q: Question 7 of 15 A light ray refracts at the interface between two transparent materials as shown…

A:

Q: An electromagnetic wave of wavelength 430 nm is traveling in vacuum in the -z direction. The…

A: Write the given values with the suitable variables. λ=430 nm=430×10-9 mE=4.92×10-3 V/m Here, λ and E…

Q: A cooling fan is turned off when it is running at 950 rev/min . It turns 1100 revolutions before it…

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Q: You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own…

A:

Q: Question & of 15 A horizontal light ray is incident on a tilted mirror as shown below. The dashed…

A: Draw the ray diagram.

Q: Rank these speed measurements in increasing order from smallest (1) to greatest (5):   55.5 mi/h…

A: We have, 1 mi/h = (1609.344m)/(60×60s) = 0.447 m/s 1 km/h = (1000m)/(60×60s) = 0.278 m/s 1 cm/ms =…

Q: In the figure, two 8.00 kg blocks are connected by a massless string over a pulley of radius 1.40 cm…

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Q: X 50.... A 2.00 × 10²-N sign is supported by two ropes as shown in Figure 4-32. If 0L = 45.0° and OR…

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Q: A simple pendulum is suspended from the ceiling by means of a string of length 2.46 m. Assume that…

A: Given, Length of the string, L = 2.46 m the angle with respect to the vertical, θ = 38.8°

Q: Calculate the flux of F = xi+yj+zk across the part S of the sphere (Figure 2) x²+ y²+z24 between the…

A: Given the surface: S:  x2+y2+z2=4   thus, the expression:  ∇x2+y2+z2=4=2xi+2yj+2zk   Hence, the unit…

Q: A disk, initially rotating at 109 rad/s, is slowed down with a constant angular acceleration of…

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Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: If the temperature change of a steel pot is 49.46° F, then the same temperature change in Celsius…

A: Given: The temperature of the steel pot is 49.46oF.

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.