Physis

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physis

to DRWLS thanks for the help DEEK./

Physis

F1d1= f2d2. 0.2×40=xg×0.8 xg=0.2×40\0.8. Xg=0.08\0.8

physis

in the statement gravity is 9.81 M/S2 what does 9.81 m/s mean?

Physis

Difference between position and distance

Physis

When a electron is displaced in a semiconductor,the hole that's left behind is

Physis

When a electron is displaced in a semiconductor,the hole that's left behind is

Physis

When a electron is displaced in a semiconductor,the hole that's left behind is

physis

. Two similar blocks of iron and wood, are immersed in water. Will they have same upthrust?

Physis

A projectile is launched with an inital velocity of 30.0m/s at an angle of 60 degrees above the horizontal. How far does it travel. Please show me how to solve this.

physis

A box slides downwards at a constant velocity on an inclined surface that has a coefficient of friction uK = .58 The angle of the incline, in degrees, is most nearly:

physis

A ball of mass 80kg falls from rest from a height of 100m.neglecting air resistance, calculate it K.E after falling a distance of 30cm

physis

if someone dropped a 2.13 kg cannon ball from the 57.3 m tower of pisa, how much did gravity do on the ball

physis

a accelerates steadily so that it goes from a velocity of 20m/s to a velocity of 40m/s in 4 seconds.what is its acceleration?

physis

A lorry is travelling at 60 km/hr when the brakes are applied. Assuming that the deceleration is uniformly at 2m/hr, how far has the lorry travelled when its speed is 36km/hr after 6seconds.

physis

The magnitudes of the four displacement vectors shown in the drawing are A = 13.0 m, B = 11.0 m, C = 12.0 m, and D = 27.0 m. Determine the magnitude and directional angle for the resultant that occurs when these vectors are added together.

physis

an engine was used to lift up a load of 200kg to a platform 40m high in 20sec. calculate the power out put by the engine (take g =100n /kg).

Physis

a 2kg mass is hung from a tree and is released. Using the nodes on the graph, sketch the general shape of the vertical position of the mass versus time

Physis

An arrow is horizontally projected from the top of a tower with an initial velocity of 15m/s.if it reaches the ground 7seconds later,calculate the height of the tower (let g=10m/s0).

Uniport ( physis)

A ball is thrown vertically upward with a speed v from a point h metres above the ground. What is the expression according to the time taken for the ball to strike the ground

physis

A dry water well is 1.5 m in radius and 5.0 m deep. In order from lowest to highest, the fifth resonant frequency of this well is closest to ... I know that it is an open-closed system, but how would we take into account the amplitude, which is the radius given for this question?

physis help me plz

Two objects were projected vertically upwards at different time with a speed of 80ms-¹ and 100ms-¹ respectively.if the time interval is 2 sec,when and where would they meet.? Step plz

physis

A parallel plate condenser with oil between the plates( dielectric const. of oil K=2) has a capacitance C . if the oil is removed then what will be the capacitance of the capacitor?

physis

a cube of wood floating in water support 1 kg mass resting on the center of its top surface. when the mass is removed the cube rise 2.5cm find the length of cube? ans is 20cm

physis

A man weighs 750 N on the surface of the earth. What would be his weight when standing on the moon? The masses of the earth and the moon are respectively, 5 98 0 kg and 7 36 0 kg. Their radii are respectively 6 37 0 km and 1 74 0 km

physis

Search: 2. Explain how radioactive decay has always warmed the Earth from the inside, and nuclear fusion has always warmed Earth from the outside.

physis

The range of human hearing is roughly from twenty hertz to twenty kilohertz. Based on these limits and a value of 343 m/s for the speed of sound, what are the lengths of the longest and shortest pipes (open at both ends and producing sound at their fundamental frequencies) ...

PHYSIS

A 53.0 kg circus performer oscillates up and down at the end of a long elastic rope at a rate of once every 6.60 s. The elastic rope obeys Hooke's Law. By how much is the rope extended beyond its unloaded length when the performer hangs at rest?

Physis

A bullet of mass of 30g and travelling at a speed of 200msˉ¹ embeds itself in a wooden block. The bullet penetrates a distance of 12cm into the wood. Using the concepts of work done by a force and kinetic energy, determine the average resistive force acting on the bullet.

Physis Home work

Two 0.85Mtrs -long pendulums hang side by side. The masses of the pendulum bobs are 50g and 70g . The lighter bob is pulled aside until its string is horizontal and is then released from rest. It swings down and collides elastically with the other bob at the bottom of its arc...

Physis Home work

Two 0.85Mtrs -long pendulums hang side by side. The masses of the pendulum bobs are 50g and 70g . The lighter bob is pulled aside until its string is horizontal and is then released from rest. It swings down and collides elastically with the other bob at the bottom of its arc...

Physis

Figure (a) shows a red car and a green car that move toward each other. Figure (b) is a graph of their motion, showing the positions xg0 = 270 m and xr0 = -35 m at time t = 0. The green car has a constant speed of 24 m/s and the red car begins from rest. What is the ...

physis

A motorist traveling at 18 m/s encounters a deer in the road 42m ahead. If the maximum acceleration the vehicle's brakes are capable of is -6 m/s^, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer? Answer in units of s. If ...

Physis

The question: You are standing on a large sheet of frictionless ice and holding a large rock. In order to get off the ice, you throw the rock so it has velocity 11.9 m/s relative to the earth at an angle of 36.8∘ above the horizontal. If your mass is 70.5 kg and the rock...

physis

A house painter stands 3 m above the ground on a 4.9-m-long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 697 N and the ladder weighs 180 N. Assuming no friction between the house and the upper end of the ladder, find the force of ...

physis

Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.85 m, as depicted in the figure. Two of the spiders (S1 and S3) have +7.7 µC charge, while the other (S2) has −7.7 µC charge. a)What are the magnitude ...

physis

Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.85 m, as depicted in the figure. Two of the spiders (S1 and S3) have +7.7 µC charge, while the other (S2) has −7.7 µC charge. a)What are the magnitude ...

physis

(1) A solid weight 0.04 Newton in air and 0.024 newton when fully immersed in liquid of density 300 kilogram per metre cube.What is the volume of the solid? (2)The density of a body is 5*10^3 kilogram per metre cube and it weights 1 newton in air and.Calculate the apparent ...

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