A tortoise moves a distance of 102 metres in 0.26 seconds what is the average speed of tortoise in km/h?

Q: A light ray in air enters and passes through a block of glass. What can be stated with regard to its…

A:

Q: 1. In a quasi-static isobaric expansion, 550 J of work are done by the gas. If the gas pressure is…

A:

Q: 3. What image is produced by placing an object 8 cm away from a convex lens of focal length 12 cm?…

A:

Q: The mass of lead piece is 115 g. When it is immersed into measuring cylinder, Water level rises from…

A: Given data: Mass of the lead piece, M=115 kg Initial volume, V1=35 ml Final volume, V2=65 ml Our…

Q: An aluminum rod 177.4 cm long at 20 °C is heated to 100 °C. What is the new length? Aluminum has a…

A: Given --- length of the aluminum rod = 177.4 cm. initial temperature = 20 degree C.  final…

Q: Differentiate special theory of relativity and general relativity.

A: Special theory of relativity came before the general theory of relativity. Special relativity does…

Q: Assume that a square loop of wire lies in the plane of the page. Now let assume that a decreasing…

A: Introduction :- Here it is given that a wire in the shape of a square loop is kept in plane of page…

Q: Density of steel = 9.8 g c find density in kg m 32 :3 cm²

A:

Q: of Find the height of ball to be raised 18 kg to gain patential energy masx. ·645 J of

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

Q: nates of point N. 2) Write the vector KM in terms o

A:

Q: A 70kg person stands on a scale in an elevator. What is the apparent weight when the elevator is…

A:

Q: What current will be taken by a 1230 W appliance Is 250 V ? if the supply voltage

A: Given: Power = 1230 W             Voltage = 250 V        We know that Power=Voltage ×Current So,…

Q: A car accelerates uniformly from rest and reaches a Speed of 22.0 m/s in 9.00 s. If the radius of a…

A: Given data :- initial velocity u = 0 m/s final velocity v = 22 m/s time t = 9 s radius of tire r =…

Q: Given data: Density = Mass = 42 kg Determine the volume 1280 kg/m³

A: Given data:               Density = 1280 kg/m3               Mass = 42 kg

Q: A circuit is constructed with four resistors, one capacitor, one battery and a switch as shown. The…

A:

Q: 3. Which of the circuits has the lowest equivalent resistance?

A: (3) Consider circuit A in which the resistors are connected in parallel. The equivalent resistance…

Q: Find momentum mass=0.33 kg velocity=0.2 m/s

A:

Q: 3. Calculate the angle for the third-order maximum of 490-nm wavelength yellow light falling on…

A:

Q: A long, straight wire lies along the x-axis and carries current I₁ = 1.50 A in the +-direction. A…

A:

Q: A physical pendulum consists of a meter stick that is pivoted at a small hole drilled through the…

A:

Q: Explain why the time constant for an RC circuit increases with R and with C. (The answer “That’s…

A:

Q: 3. The weight of a particle varies with altitude such that W = m(gro)/r², where ro is the radius of…

A:

Q: A football quarterback is moving straight backwards at a speed of 2.9m/s when he throws a pass to a…

A: Projectile motion is the motion of an object thrown or projected into the air, subject to only the…

Q: 3. A roller of weight 500 N has a radius of 120 mm and is pulled over a step of height 60 mm by a…

A:

Q: 1. Find the work done in the quasi-static processes shown below. The states are given as (p, V)…

A:

Q: Two bodies of masses 50 kg and 20 kg are connected by a thread and move along a horizontal plane…

A: Given: The masses of the objects are 50 kg and 20 kg. The applied force is 400 N.

Q: find density in kg m ³2 w

A: Given data;  Find the density in kg m-3. Where,   Density of copper is given as;  D=8.9 g cm-3

Q: Part A How far beyond point B can the boy walk before the beam tips? ΤΗ ΑΣΦ VO www m Request Answer…

A:

Q: of sugar was dissolved in glass B and the laser light passes through it? When milk is added in glass…

A: solution of above problem is below:

Q: Find the impulse Force=0.621 N Time=0.23 s

A: Given : Force (F) = 0.621 N Time (t) = 0.23 s

Q: Find the force that the container exerts on the marble at the point of contact A B. Find the force…

A:

Q: A force of 209 N is applied to an object of area 3 m² find the Pressure?

A: pressure is defined as the amount of force applied to a unit area  P = F/A here P is the pressure F…

Q: 169.0 Ω Ri 71.0 Ω R3 174.0 Ω V₁. 69.0 V R4 78.0 ΩΙ

A:

Q: 1. (a) Calculate the net work output of a heat engine following path ABCDA in the figure below.…

A:

Q: A rickshaw puller pulls the rickshaw by applying a force of 90 N. If the rickaw moves with constant…

A:

Q: Find the pressure Force=0.004 N Area 0.02 m2

A: Given data : Area=A Force=F   Required : Pressure

Q: a projectile is fired from the origin at t 0 with a positive v component, the maximum Hight h can be…

A: When a body is thrown with an initial velocity in the direction other than vertical then the body…

Q: C 30 B 400mm

A:

Q: A hollow sphere of mass 2.6 kg and radius 2 cm starts to roll (without slipping) down an incline of…

A:

Q: Find work done Force applied=0.82 N Displacement=1 m

A: Force applied (F) = 0.82 N Displacement (d) = 1 m

Q: The You-Yangs are a series of rocky granite ridges to the south-west of Melbourne, whose rocks…

A:

Q: As it can be seen from the figure below, an 18kg hanging box is connected by a light, inextensible…

A:

Q: A vehicle applies brakes and skids through a distance equal to 40 m before colliding with another…

A:

Q: Two motorcycles are at rest and separated by 7.5 m. They start at the same time in the same…

A: Initial velocity of each motorcycle (u) = 0 msacceleration of the motorcycle at the back (a1) = 1…

Q: An aluminum rod 177.4 cm long at 20 °C is heated to 100 °C. What is the new length? Aluminum has a…

A: Given value--- initial length = 177.4 cm. initial temperature = 20 degree C.  final temperature =…

Q: 30. The velocity of a particle undergoing simple harmonic motion is described by, v(t) = 2.25 [m/s]…

A:

Q: Determine the oscillation frequency and condition for the following circuits. b. 6 G V₁ C₁: C₂=

A: In the given circuit capacitor C1 and C2 are in series. So, their equivalent capacitance can be find…

Q: A bucket begins holding 25 kgs of sand. The bucket is to be lifted to the top of a 20 meter tall…

A:

Q: When viewed from above, a worker slides a cabinet by applying the forces shown in Figure 6.…

A:

Q: What will happen the the Lf if the calorimeter used was twice as large as the one used in the…

A: Lf will stay as is, because when we measure it first reading gives some value. But when we meause…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.