What can you say about te motion of an object if its speed-time graph is a straight line parallel to the time axis ?

Q: Calculate (a) the wavelength and (b) the line of the Balmer series for hydrogen. frequency of the HB

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Q: Given data Mass 6 kg Momentum = 38 kg x m/s Calculate: Velocity?

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

Q: A 0.40 kg ball is launched at a speed of 2 m/s from a 10 m cliff. What was the total mechanical…

A: Given Ball mass, m=0.40kg Ball speed, v=2 m/s Cliff Height, h=10m Mechanical energy can be…

Q: wondering how to work out question d and can u explain the formulas included

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Q: The work-energy theorem states that a force acting on a particle as it moves over a distance changes…

A: Let us understand the statement of the work-energy theorem -   According to the work-energy…

Q: A 40.8 kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

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Q: (a) Determine the reactions at A and E if P = 850 N. The reactions are positive if to the right or…

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Q: thermometer does not use mercury.

A: In this question we have to answer which thermometers do not use mercury.Please give positive…

Q: A box with a mass of 5 kg is moving with acceleration of 0.5 m/s². Find the force applied to this…

A: Given data : Mass=m Acceleration=a     Required : Force

Q: Can you please solve numbers 3 and 4

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Q: 12. A vertically mounted spring (k = 750 N/m) is compressed by 30.0 cm relative to its unstrained…

A: Spring constant = 750N/m Initially compression in spring =30cm Given mass =0.24kg Height =10.76m

Q: 10. An object of mass 0.55 kg is attached to a spring, with spring constant 11.0 N/m. If the object…

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Q: The tension on the string is: a.greatest in I b.greatest in III c.least in I d.least in III…

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Q: The lower half of a 10-m high cylindrical container is filled with water and the upper half with oil…

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Q: To accelerate an object to a rate of 3 m/s², 34 N force is required. Calculate the mass of object?

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Q: Mass is 2.0-kg. Released from rest at X, the speed at Y is closest to:

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Q: An electric iron of resistance 3 ohms takes a current of 4 A.Find the heat developed in 2 seconds.

A: Introduction :   In this question we are provided it value of current, resistance and time . With…

Q: 37. (II) How many kWh of energy does a 550-W toaster use in the morning if it is in operation for a…

A: Given Power, P=550W Time, t=5 min=560h=0.083h cost, C=9.0 cents/kWh Electrical energy can be find…

Q: What can you say about te motion of an object if its speed-time graph is a straight ine parallel to…

A: Given:- speed time graph is parallel to the time axis.

Q: Q1: Calculate the force necessary to accelerate a 900-kg rocket vertically down at the rate of 30…

A: Mass of the rocket, m=900 kg The acceleration of the rocket, a=30 m/s2 Force is the product of mass…

Q: Calculate the electrical energy consumed in Joules if a toaster of 56 W is used 1420 seconds ?

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Q: A steel wire with mass 26.7 g and length 1.62 m is strung on a bass so that the distance from the…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: Given data: Mass=2 kg Force=12 N Find acceleration

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Q: A 4 kg is on the end of a 1.6-m rope. It is held at point A, with the rope horizontal, and is given…

A: in this question we use conservation of  mechanical energy and newton's second law of motion.

Q: ΝΤΟΥΣ Α' Καμματικός και η κόρη μέρα του και και στα αργήθηκε και μια ματιά και με προστάτη και παρά

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Q: Negative acceleration is known is-----

A: The answer for given question is given in the next section,

Q: The graph of voltage (independent variable) vs current (dependent variable) should have voltage on…

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Q: A bicycle is travelling at 37 km/hr and suddenly the rider applys the brakes. What is the…

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Q: Compute pressure Force=0.112 N Area 0.3 mm2

A: Pressure is the perpendicular force per unit area. P = F/A  Where, P = pressure F = force A = area

Q: Directions: Read each statement carefully and fill in the blank(s) with the correct answers. Coal…

A: Electrical energy is taken from the various source such a s coal petroleum, natural gas. Then the…

Q: Find the Area Pressure=20 N/cm2 Force=10 N

A: Given Pressure is P=20 N/cm^2 Applied force is F=10 N

Q: The graph of voltage (independent variable) vs current (dependent variable) should have voltage on…

A: Given,  Data points measured from the experiment are as follows; Serial No; Voltage (V)  (Volt)…

Q: Question 1 The ground-state electron configuration for the boron atom is. 1s2 2s2 2p. What is the…

A: ground state electronic configuration of Boron atom = 1s2 2s2 2p

Q: Calculate (a) the wavelength and (b) the line of the Balmer series for hydrogen. frequency of the HB

A:

Q: Two coplanar and concentric circular loops of wire carry currents of I₁ = 6.90 A and I₂ = 2.70 A in…

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Q: Calculate the centripetal force a 2kg mass experiences as it spins at the constant tangential speed…

A: Given data:  Mass (m) = 2 kg Speed (v) = 5 m/s Radius (r) = 2 m Required: Centripetal force (Fc)

Q: The gradient of velocity versus time graph is equal to

A: The gradient of velocity versus time graph is equal to the  acceleration.

Q: A trolley, while going down an inclined plane, has an acceleration of 2 cm/s². What will be its…

A: Given data: Acceleration of trolley, a=2 cm/s2=0.02 m/s2 Time, t=3 s Initial velocity, u=0 m/s…

Q: How much work is done in moving a charge of 3 C across two points having a potential difference 15…

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Q: A 492 kg rollercoaster car starts at rest atop a 38-meter hill. Find the total mechanical energy,…

A: Given data:  Mass (m) = 492 kg Initial velocity (v) = 0 m/s Height of first hill (h) = 38 m Height…

Q: You are working for a scientific supply company. Your particular project involves the design of…

A: Given: Horizontal wire of length L  = 6.00cm                                               =6*10-2m…

Q: A truck travels 65 km in first hour and 78 km in second hour. What is average speed of truck ?

A: Introduction :   In this question we are provided it value of total time taken and total distance…

Q: Compute Impulse Force 12.145 N Time=0.88 s

A: Data provided:  Force (F) = 12.145 N Time (t) = 0.88 s Asked: Impulse (I)

Q: A container with a mass of 5.1 kg is lifted to a height of 8 m and then returned back to the ground…

A: Solution: A container is lifted to height h and then returned back to ground level. How much work is…

Q: What power output is required of a motor that needs to lift a 450 kg elevator car 12 meters in 8.0…

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Q: 14. (II) Calculate the ratio of the resistance of 10.0 m of alu- minum wire 2.2 mm in diameter, to…

A: in this question we determine resistance ratio by resistivity of material.

Q: 14. (II) Calculate the ratio of the resistance of 10.0 m of alu- minum wire 2.2 mm in diameter, to…

A: Given : Lal = 10 m dal = 2.2 mm = 2.2 × 10-3 m Lcu = 24 m dcu = 1.8 mm = 1.8 × 10-3 m

Q: Calculate the electrical energy consumed in Joules if a toaster of 56 W is used 1420 seconds ?

A: Given  Power of toaster  P = 56 W  Time during which Electric energy works  T = 1420 s To find…

Q: Find the pressure Force=0.2 N Area 0.1 cm2

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Q: In the figure particle 1 (of charge +9.48 mC), particle 2 (of charge +9.48 mC), and particle 3 (of…

A: Electric field due to a point charge, Q at distance r is given by E=KQr2

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.