A cannonball is fired straight up into the air. The cannonball leaves the cannon at a speed of 31 m/s. Determine how high the cannonball goes and how long it took to reach the peak. Ignore air drag.

Q: A current of 1.5A flows through a conductor for 2.0s. What amount of charge passes through the condu...

A: Given data :                    Time   =  t                 Current  =  i         To find :         ...

Q: Dv 스크린샷 2022-03-30 오후 12.0 Qv 검색 스크린샷 2022-03-30 오후 12.00.55 20.0 g object is held against the free ...

A: Given that, Mass of the block (m)= 20× 10-³ kg Spring constant (k)= 25 N/m Compression (x)= 0.1 m Sl...

Q: The bob of a pendulum initially swings an arc 50 cm, and each succeeding swing goes 0.95 as far as o...

A: Given, Initial length of the arc, a = 50 cm As the previous swing goes, 0.95 far as on the previous ...

Q: Three parallel wires are placed on a horizontal table. The wires are each separated by 15 cm. The tw...

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Q: 4. Force constant of a weightless spring is 16 Nm-'. A body or mass 1 kg suspended from it is pulled...

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Q: What could happen if the capacity of the capacitor increased?

A: We know that, Capacity of a capacitor depends on the following parameters C= ε0A/d Where ε0 is the p...

Q: 3. When starter motor of a car is switched on for 0.8s, a charge 24 C passes through the coil of the...

A: Given data :     Time   =  t     Charge  =  Q        To find :            Current 

Q: The stream of a river is flowing with a speed of 2 km/h. A swimmer can swim at a speed of 4 km/h. Wh...

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Q: A block of mass 2.50 kg is pushed 3.00 m along a frictionless horizontal table by a constant 18.0 N ...

A: mass of block (m) = 2.50 kg distance moved (d) = 3 m Force (F) = 18 N direction of force = 25o below...

Q: 47. Table Saw The blade on a table saw rotates at 3450 revolutions per minute. How much faster (in f...

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Q: Find the magnitude of the final velocity of the two balls if the ball with initial velocity -3.67 cm...

A: M1 = m2/2 V1 = -3. 67cm/s V2= 7.53 CM/s In inelastic collision bodies move with common velocity afte...

Q: The force exerted by the wind on a sailboat is approximately perpendicular to the sail and proportio...

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Q: TRUE OR FALSE  1. It is the gravitational pull of the earth that keeps us and other bodies    firm...

A: As we know that the earth keeps pulling down the objects constantly with gravitational acceleration ...

Q: The increase in internal energy of 1kg of water at 100°C when it is converted into steam at the same...

A: Mass of water m=1 kg, temperature T=100oC=373 K, pressure P=1 atm=101325 Pa, latent heat of vaporiza...

Q: The two blocks shown start from rest. The horizontal plane and the pulley are frictionless, and the ...

A: Given:mass of block A, mA = 100 kgmass of block B, mB = 260 kgPulley and surface is frictionlessStri...

Q: If acceleration due to gravity is 15 m/s? , what will be the potential energy of a body of mass 3 kg...

A: Given data:  Acceleration due to gravity (g) = 15 m/s2 Mass (m) = 3 kg Height (h) = 5 m Required: Po...

Q: TRUE OR FALSE   1. The gravitational force between two bodies changes if a material body is       ...

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Q: You are in a rocket accelerating up ward relative to Earth at 2g. If you were on a scale, how would ...

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Q: Four electromagnetic waves have the following frequencies, Indicate what each of their Wavelengths a...

A: For electromagnetic wave wavelength λ=cfhere, c= speed of light in free space = 3×108 m/s           ...

Q: Air has an index of refraction of 1.00. Water has an index of refraction of 1.33. Consider a pool of...

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Q: 17. What gives rise to diverging electric fields? a. magnetic monopoles 18. What must be u sed in ad...

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Q: A circular parallel plate capacitor with a radius of 0.1m are separated at a distance of 0.005 m. A ...

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Q: 2. Use the electric field equations to answer the following questions. ( a. A test charge of +1x 10 ...

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Q: A bag of wheat weight 300 kg .To what height should it be raised so that potential energy is 9600 J?...

A: Given data :        Mass of the bag  =  m         Potential energy   =  P•E         Acceleration due...

Q: Two circular metal plates with 15 cm radius are connected to either side of a 75 V battery. The plat...

A: Radius of plates (R)= 0.15 m So, area of plates (A)= πR² = π(0.15)² A= 0.07 m² Separation of plates ...

Q: A stamp collector wants to magnify an image by 4.0 when the stamp is 3.5 cm from the lens. What foca...

A: Given Information:- Magnification of the image is m=4.0 Distance of the stamp from the lens is do=3....

Q: The performer vibrates the strings of a. percussion family the instrument by using a bow or by pluck...

A: Percussion instruments include any instrument that makes a sound when it is hit, shaken, or scraped....

Q: (a) What is the minimum force of friction required to hold the system of the figure below in equilib...

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Q: The force exerted by the wind on a sailboat is approximately perpendicular to the sail and proportio...

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Q: Sovnel of 280 mis. Af it wave t len th in the frequency et Sthe ware nove sravelo af a specd stoynel...

A: Given data :                   Wave  length  =  λ                    Speed of sound  =  v        To ...

Q: The vertical face of a dam across a river has the shape of a parabola 20 m across the top and 10 m d...

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Q: (1b). A wood stove is used to heat a single room. The stove is cylindrical in shape, with a diameter...

A: Stefan Boltzmann equation:- Energy emitted per second=  (Stefan's constant) ×(emissivity) ×(area) ×(...

Q: What are the magnitude and direction of the electric field whose force will balance the weight of th...

A: A) Electron mass = 9.1094×10-31 kgcharge = -1.6021765×10-19 C   

Q: Find the circulation of the following velocity field along the following path: V = (x-y)i + xyj %3D ...

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Q: I need help with this one. A newspaper is held 6.0cm from a convex lens of 20.0 cm focal length. Fin...

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Q: lled, the acetone cools and the flask warms pination of acetone and flask reaches a u ure of 32.0°C....

A: We know that the formula of the change in volume of the acetone when its temperature changes T1 and ...

Q: A sinusoidal voltage source has a peak voltage of 12 V and a frequency of 50 Hz.  What is the voltag...

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Q: What is the work done by the force F? F S1 S2 O Fs None of the above Zero O-Fs

A: Given data:   A force F, towards upward direction The object traveled a distance s Angle between for...

Q: A radio transmitter broadcasts 4.5 kW of power to a 3.2 m diameter ceceiver.   Calculate the intens...

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Q: A typical jar that has been tightened to a reasonable degree requires 2.0 N⋅mN⋅m to open. f you grab...

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Q: A Physics 131 student is performing the Center of Mass of the Body lab using a force plate. The stud...

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Q: Scuba divers are admonished not to rise faster than their air bubbles when rising to the surface. Th...

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Q: a resistor of 1344 ohms is a piece of some unknown substance 66 meters long with a cross-sectional a...

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Q: Given a + 15 C charged sphere with a diameter of 4.2 cm, solve for the following. ns bhe blsi absi e...

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Q: A 60.0 W light bulb is plugged into a standard wall outlet that is a source of an AC voltage: by e =...

A:

Q: A traveling electromagnetic wave in a vacuum has an electric field amplitude of 77.1 V/m. Calculate ...

A: Electric field amplitude (Eo)= 77.1 Vm  

Q: Qv 검색 스크린샷 2022-03-30 오후 12.0 스크린샷 2022-03-30 오후 12.00141 A 6.00-kg block is sent up a ramp inclined...

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Q: Three resistors are connected in a circuit to a 50 V battery. A 35 ohm resistor is connected in seri...

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Q: . A 50 kg boy stands on a platform spring scale in a lift that is going down with a constant speed 3...

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Q: . A force, F, is applied to an object with a displacement, Ad. When does the equation W=FAd equal th...

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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.