You are an engineer and asked to design a slide in the park. The qualification for the said slide is that the person's speed at the bottom of the slide should not be more than 7 m/s. Determine the maximum height of the slide that you can design. A 1.8 m B) 2.2 m 3.2 m 2.5 m

Q: 42. Two resistors (R, = 8N and R2 = 5 N) are connected in series with a 12 V battery, as shown in…

A:

Q: Problem A long solenoid of radius R has n turns of wire per unit length and carries a time-varying…

A:

Q: In an air standard Otto cycle, the compression ratio is 7 and the compression begins at 35°C and…

A: Write the expression of pressure after compression. P1V1γ=P2V2γP2=P1V1V2γP2=P1rγ

Q: The experimental value of the mass density of the sphere is 8.35g/cm^3. The accepted mass density is…

A:

Q: A machine gun fires 18 bullets / s each of mass 24 g the speed to each bullets is 34 cm/s, then…

A: Given data :   Mass  of  the  each  bullet    =  m   Number   of   bullets   =   N     Speed  of…

Q: A 0.500-meter length of wire with a cross-sectional area of 3. 14 × 10¬6 m meters squared is found…

A: Length (l) = 0.5 m Area of cross sectional (A) = 3.14x10-6 m2 Resistance (R) = 3.885x10-3 ohm we…

Q: Air with an initial state at 4.5km is allowed to expand isentropically to a state where pressure is…

A: Given data : The initial height of air at initial state is h= 4.5km The pressure of air after…

Q: A car travels 10 km north and another 5 km towards the direction of 30 degrees west of north?…

A: Resultant of two vectors can be determined by using triangle law of vector or parallelogram law of…

Q: An object is placed 60 cm in front of a concave mirror with a focal length of 12 cm.  Where is the…

A:

Q: The position of a car as a function of time is given by x=(45m)+(−5.0m/s) t+(−9m/s2)t2…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: 2. A 2.0-meter-long copper wire with radius of 5.0 mm carries a uniform surface charge density of…

A: We  know that the electric field is given as  E = λ2πε0r where E is the electric field  r is the…

Q: Air is used in a Carnot engine where the volumes at the beginning of the constant temperature heat…

A: Write the given values with the suitable variables. V1=0.356 cm3V2=5.573 cm3 Here, V1 and V2 are the…

Q: 2. In the fig. below, how large must R if the potential drop from A to B is 12 V. The current is 3.0…

A:

Q: The fringe of order (1.0000x10^0) is observed at an angle of (7.3000x10^0)° when light of wavelength…

A: Image_1

Q: What is the standard diretion of a vector with respect to positive axis if its direction is 30…

A:

Q: Suppose you are on Mars when it is 9.00 1010 m from earth. You call earth for the correct time and…

A:

Q: Which of the following statements describes the relationship between the Celsius scale and the…

A:

Q: What is the formula for magnification? a. -v/u b. -hi/ho c. hi/ho d. v/u

A:

Q: am is propagating within a piece of glass with refraction index n1 %3D (1.9600x10^0). What is the…

A:

Q: A Fraunhofer diffraction pattern of a single slit of width 0.293 mm is produced using light of…

A: Given, Slit width(d)=0.293mm Wavelength (λ)= 656nm

Q: Consider the following statements: A. The weight of a body produces a tendency to rotate. B. The…

A: A-weight of body opposes the tendency to rotate B-if the mass distribution is uniform then only…

Q: The peak value of an AC passing through a (4.79x10^1) W device is (2.2x10^0) A. What is the rms…

A: Given data:  Power (P) = 4.79×101 W Peak current (Ipk) = 2.2×100 A Required: The rms voltage (Vrms)

Q: What magnetic field strength will levitate the 2.0 g wire in the figure? Express your answer in…

A:

Q: The compression ratio of an Otto cycle is 6:1, P1 is 14.7 psia, T1 is 68°F. Find the pressure at…

A:

Q: Suppose you perform an experiment using the Celsius temperature scale and find a change in…

A: Given  Temprature change recorded in Celsius scale is 5°C . Temprature change recorded in kelvin…

Q: A skier wishes to build a rope tow to pull herself up a ski hill that is inclined 15° with the…

A: Given data  Mass = 54 kg  Acceleration = 1.2 m/s2  Angle = 15 degrees  Tension in the rope =?

Q: A certain container has 0.56grams of 90Sr. Calculate the activity of this material in units of…

A:

Q: Water is flowing through a pipe of two cross sectional areas A1 and A2 lying horizontally. The…

A: According to Bernaulli's theorem P + pgh+(1/2)p×v2  = constant

Q: Mike is cutting the grass using a human-powered lawn mower. He pushes the mower with a force of 45 N…

A:

Q: 1. A positively charged particle with Q= 5 µC is placed between two negatively charged particles…

A:

Q: The coherence length of an ordinary white light source can be increased if we place a color filter…

A:

Q: double concave lens (diverging lens) f=-15cm do =10cm Id.l>lflthe obiect is before focus of the…

A:

Q: The density of the liquid flowing through the horizontal pipe in the drawing is 1200 kg/m3. The…

A: Given Density of the fluid is ρ=1200 kg/m3 Speed of the fluid at point A is vA=7.5 m/s Speed of the…

Q: How long will it take Mars to complete two full orbit? Mars is 228 million kilometers away from the…

A: We have the relations: GMsMmR2=Mmv2R and T=2πRv⇒v=2πRT

Q: Cassie is sitting on a frictionless playground slide that makes an angle θ with the horizontal.…

A: Cassie is sitting on a frictionless playground slide that makes an angle θ with the horizontal.…

Q: A circuit contains a single 220-pF capacitor hooked across a battery. It is desired to store four…

A:

Q: A 402 resistor and a 50mH inductor are connected in series across a Vrms f = 60HZ. Recall 120V AC…

A: Please post the remaining questions separately!

Q: an a screen with the intensity graph Points A. B. C. D. and E are bright fringes Points F, G. HLJ.…

A: Given Wavelength λ = 560 nm = 560 × 10-9 m  = 5.6 × 10-7 m  distance between slits d = 0.4 mm = 0.4…

Q: Spheres A, B, and C have charges +10.0 C, +14.0 C and –6.0 C. Spheres A and B touched each other and…

A: GivenQA = + 10.0 CQB = + 14.0 CQC = -6.0 C

Q: A converging lens has 14.3 cm focal length, and is placed 4.5 cm behind a diverging lens. Parallel…

A: The figure is shown below

Q: A heat engine (Carnot cycle ) has its intake and exhaust temperature of 157°C and 100°C,…

A: Given data:  A heat engine  Intake temperature (TH) = 157°C Exhaust temperature (TC) = 100°C…

Q: 2. In the circuit shown in Figure 12, three identical light bulbs are connected to a flashlight…

A:

Q: A 2 kg object moving at 3 m/s collides with a 4 kg object that is stationary. If the collision is…

A:

Q: What is Bernoulli's equation when there is no flow (V1 = v2 = 0)? %3D O AP=0 O AP=VP9AY O AP= pgAy O…

A: The speed of the flow at the inlet and outlet are given by v1=0v2=0

Q: True or False: The mass flow rate in a tube with one inlet and one outlet varies if the flow is…

A: mass flow =ρAv

Q: The drawing shows a crystalline quartz slab with a rectangular cross section. A ray of light strikes…

A:

Q: For how long should a force of 50 N be applied to change the moment of an object by 12 kg x m/s?

A: Given data:  Force (F) = 50 N Change in momentum (ΔP) = 12 kg.m/s Required: Time interval (Δt)

Q: 12. A 2.0-meter-long copper wire with radius of 5.0 mm carries a uniform surface charge density of…

A:

Q: Why is the temperature of -273.15 °C chosen to define absolute zero? a) There is no apparent reason,…

A: The temperature of a body refers to the movement of molecules present in the body. The movement at…

Q: A UFO is observed directly above the earth moving at a constant velocity. An astronaut on the moon…

A:

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.