A hot air balloon flying horizontally at a velocity of 50m/s and at an altitude of 475 meters when one if its sandbags falls off.  A. How long (in seconds) does it take the sand bags to reach the ground? B. What horizontal distance (in meters) will the bag travel before it strikes the ground?

Q: A Spartan has been traveling south at 21 m/s. A Hawk steps in front of him, causing the Spartan to…

A:

Q: A walrus’s total displacement during a swim is Northwest. The walrus’s ___ must also be Northwest.…

A:

Q: 1. If the normal force exerted by the ground to the crate is 321N, which of the following is closest…

A: The normal force is the force exerted on the object by the surface. The normal force is always…

Q: A 75kg basketball player performs a vertical jump of 0.30m. Use the work/energy  approach to…

A: Given data, Mass m=75 kg Height h=0.3 m

Q: What is the coefficient of kinetic friction μk between the block and the tabletop

A: Given,  mass of the block,  m=0.50 Kg spring constant,k=100 N/m horizontal length covered by block,…

Q: In the figure a 19 V battery is connected across capacitors of capacitances C₁ = C6 = 3.5 μF and C3…

A:

Q: To get up on the roof, a person (mass 82.0 kg) places a 6.60 m aluminum ladder (mass 11.0 kg)…

A:

Q: Can you show that ∂U/∂P )T =0 J/Pa for a perfect gas? Hint: Start with ∂U = T ∂S − P ∂V. Quickly,…

A:

Q: The potential energy of a pair of hydrogen atoms separated by a large distance is given by U(x) =…

A:

Q: Calculate the wavelength of light with the frequency of 10 Hz in meters

A: Given data:  Frequency (f) = 10 Hz Required: The wavelength of the light in meters

Q: 91 + d₁ 92 + d₂ 93

A:

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 ✕ 1011…

A:

Q: A pair of charged conducting plates produces a uniform field of 12,000 N/C, directed to the right,…

A:

Q: (a) Calculate the force (in N) the woman in the figure below exerts to do a push-up at constant…

A:

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

A:

Q: 10.) Heat is transferred to an elastic sphere containing a gas at 105kPaa; the diameter of the…

A: GivenP1 = 105 kPad1 = 2 m ⇒r1 = 1md2 =2.2 m⇒r2 = 1.1mInitial volume of sphere(V1) = 43πr13V1 =43…

Q: Noah travels for 177 seconds. He starts from rest and moves to the right with a constant…

A:

Q: What is the equivalent resistance of the combinations of resistors between points A and B shown…

A:

Q: A bus is running at a speed of 50 mph downhill on a grade of - 2%. The coefficient of friction…

A:

Q: A circuit calls for a 0.200 mm -diameter copper wire to be stretched between two points. You don't…

A:

Q: A block of mass 0.402 kg is hung from a vertical spring and allowed to reach equilibrium at rest. As…

A: Given That: Mass of Block, m=0.402 kg Spring stretched by, x=0.648 m

Q: A 295-g aluminum engine part at an initial temperature of3.00°C absorbs 85.0 kJ of heat. What is…

A: Given, Mass of aluminum , m = 295 g = 0.295 kg Initial temperature, Ti = 3.00°C Heat absorbed = 85.0…

Q: What force (in Newtons) must be exerted on the master cylinder of a hydraulic lift to support the…

A: Given data:  The mass of the car (m) = 1998 kg The diameter of master cylinder (d1) = 3 cm The…

Q: Three capacitors, with capacitances of C1 = 2.0μF, C2 = 3.0μF, C3 = 6.0μF, respectively, are…

A:

Q: 2) Suppose we have a circuit with two capacitors with C₁ = 5.2μF and C₂ = 11.5μF that are connected…

A:

Q: Given that a = 4.5m, b = 1.5m, c = 5.5m, d = 1.3m, e = 10.0m and 0 = 34°. The force F = 103N is…

A:

Q: John is standing on a boat dock at the water's edge on a hot summer day throwing stones into the…

A:

Q: A railroad cart with a mass of m₁ = 12.6 t is at rest at the top of an h = 10.3 m high hump yard…

A:

Q: The length of a tube closed at one end is 50 cm. What is the fundamental frequency of  the tube if…

A: Length of the pipe, L=50 cm Air temperature, T=27° C Speed of sound in air, va=331 m/s

Q: Using word and diagrams compare reflection and refraction

A: The phenomena reflection and refraction are studied in ray optics. Ray optics is a branch of optics…

Q: Under the influence of its drive force, a snowmobile is moving at a constant velocity along a…

A:

Q: Problem 7 A rod of length L = 3 m sits horizontally along the x axis attached at its left end to a…

A: As per guidelines, in case of multiple questions we must solve first question and for rest…

Q: The figure shows cross sections through three long conductors of the same length and material, with…

A: Determine the cross-sectional area of conductor A. AA=(3L)2−(2L)2AA=L2 Determine the cross-sectional…

Q: 3. If a bowling ball rolls off a 10 meter rooftop with a 4.3 m/s ground below? Diagram of Situation…

A: height = h = 10 m initial horizontal velocity = Vi = 4.3 m/s initial vertical velocity = Viy= 0 m/s…

Q: If a telescope is 10 times bigger in diameter it will gather ________ times more light than a…

A: The light-gathering power is directly proportional to the area of the telescope. Since telescopes…

Q: A 0.500cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly…

A: Given data:  Diameter (d) = 0.500 cm Charge (Q) = 40.0 pC Required: The potential near the surface…

Q: How do we know that the rock also exerts a force on the Earth as it plummets to the ground? b)…

A:

Q: X 3. Calculate the coordinate direction angles of vector Q. Z 72° 36° Q = 300 lb y

A:

Q: A meter stick with a mass of 0.75 kg is held perpendicular to a vertical wall by a cord of length d…

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

Q: The potential energy stored in the compressed spring of a dart gun, with a spring constant of 28.50…

A:

Q: Which of the (110) type directions lie in the (112) plane? OA. [110] and [110] OB. [101] and [101]…

A: (a) Which of the <110> type directions lie in the (112) plane? Answer: D. 11¯0 and 1¯10

Q: An uncharged capacitor and a resistor are connected in series to a source of emf. If E= 10.00 V, C =…

A:

Q: . A car starts from rest with an acceleration of 2.0 m/s^2. What is its velocity after it has gone…

A:

Q: Based on the velocity vs time graph shown, the object's displacement from t = 0 to t = 4 is: Vx…

A: Given data: The velocity vs time graph Required: The object's displacement from t=0s to 4s

Q: A baseball is projected horizontally with an initial speed of 5.93 m/s from a height of 1.73 m. What…

A: Given: The initial velocity of the ball is 5.93 m/s in the horizontal direction. The height of the…

Q: A current of 11.5 A flows through an electric heater operating on 120 V. What is the heater's…

A: Given data:  Current (I) = 11.5 A Voltage (V) = 120 V Required: The resistance (R)

Q: 1. For the cable system shown Determine the tensile forces in the cables BA, BC, CD and CE assuming…

A: this is the free body diagram of the given cable system. Let T1,T2,T3,T4,  BE THE Respective…

Q: Kinematic question If v1= 10.0 m[N] and v2= 8.0 m[W] then r(resultant) =

A:

Q: In the circuit of the figure below, the current I, is 1.8 A and the values of & and R are unknown.…

A: I1 = 1.8 A R1 = 3 ohm R2 = 6 ohm unknown resistance = R unknown emf = E

Q: A 25.0 kg child slides down a long slide in a playground. She starts from rest at a height h₁ of…

A: Given data:  Mass (m) = 25.0 kg At Height (h1) = 22.00 m, speed (V1) = 0 m/s At height (h2) = 12.00…